Home / 15,212,772,004.05-22,819,158,006.08-12,455,514,378.45

Finding the Fourth Proportional to 15,212,772,004.05, 22,819,158,006.08 and 12,455,514,378.45

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Solution

The fourth proportional to 15,212,772,004.05, 22,819,158,006.08 and 12,455,514,378.45 is: 18,683,271,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212,772,004.05 : 22,819,158,006.08 = 12,455,514,378.45 : x
  2. Step 2: Convert to fraction form
    15,212,772,004.05/22,819,158,006.08 = 12,455,514,378.45/x
  3. Step 3: Cross multiply
    15,212,772,004.05x = 22,819,158,006.08 × 12,455,514,378.45
  4. Step 4: Simplify right side
    15,212,772,004.05x = 284,224,350,648,789,630,976
  5. Step 5: Solve for x
    x = 284,224,350,648,789,630,976/15,212,772,004.05
  6. Step 6: Final answer
    x = 18,683,271,567.68

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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.