Home / 15,212,772,009.80-22,819,158,014.70-12,455,514,384.20

Finding the Fourth Proportional to 15,212,772,009.80, 22,819,158,014.70 and 12,455,514,384.20

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Solution

The fourth proportional to 15,212,772,009.80, 22,819,158,014.70 and 12,455,514,384.20 is: 18,683,271,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212,772,009.80 : 22,819,158,014.70 = 12,455,514,384.20 : x
  2. Step 2: Convert to fraction form
    15,212,772,009.80/22,819,158,014.70 = 12,455,514,384.20/x
  3. Step 3: Cross multiply
    15,212,772,009.80x = 22,819,158,014.70 × 12,455,514,384.20
  4. Step 4: Simplify right side
    15,212,772,009.80x = 284,224,350,887,428,587,520
  5. Step 5: Solve for x
    x = 284,224,350,887,428,587,520/15,212,772,009.80
  6. Step 6: Final answer
    x = 18,683,271,576.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.