Home / 15,342,355.72-21,180,411.22-11,207,744.20

Finding the Fourth Proportional to 15,342,355.72, 21,180,411.22 and 11,207,744.20

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Solution

The fourth proportional to 15,342,355.72, 21,180,411.22 and 11,207,744.20 is: 15,472,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,355.72 : 21,180,411.22 = 11,207,744.20 : x
  2. Step 2: Convert to fraction form
    15,342,355.72/21,180,411.22 = 11,207,744.20/x
  3. Step 3: Cross multiply
    15,342,355.72x = 21,180,411.22 × 11,207,744.20
  4. Step 4: Simplify right side
    15,342,355.72x = 237,384,631,004,569.91
  5. Step 5: Solve for x
    x = 237,384,631,004,569.91/15,342,355.72
  6. Step 6: Final answer
    x = 15,472,502.09

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Double scale
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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.