Home / 22,556,387.88-31,127,846.76-12,243,113.16

Finding the Fourth Proportional to 22,556,387.88, 31,127,846.76 and 12,243,113.16

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Solution

The fourth proportional to 22,556,387.88, 31,127,846.76 and 12,243,113.16 is: 16,895,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556,387.88 : 31,127,846.76 = 12,243,113.16 : x
  2. Step 2: Convert to fraction form
    22,556,387.88/31,127,846.76 = 12,243,113.16/x
  3. Step 3: Cross multiply
    22,556,387.88x = 31,127,846.76 × 12,243,113.16
  4. Step 4: Simplify right side
    22,556,387.88x = 381,101,750,309,819.38
  5. Step 5: Solve for x
    x = 381,101,750,309,819.38/22,556,387.88
  6. Step 6: Final answer
    x = 16,895,513.25

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Double scale
Find fourth proportional to 22,556,388.88, 31,127,848.14 and 12,243,114.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.