Home / 27,640,182-38,155,682.16-17,855,397.12

Finding the Fourth Proportional to 27,640,182, 38,155,682.16 and 17,855,397.12

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Solution

The fourth proportional to 27,640,182, 38,155,682.16 and 17,855,397.12 is: 24,648,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640,182 : 38,155,682.16 = 17,855,397.12 : x
  2. Step 2: Convert to fraction form
    27,640,182/38,155,682.16 = 17,855,397.12/x
  3. Step 3: Cross multiply
    27,640,182x = 38,155,682.16 × 17,855,397.12
  4. Step 4: Simplify right side
    27,640,182x = 681,284,857,351,299.38
  5. Step 5: Solve for x
    x = 681,284,857,351,299.38/27,640,182
  6. Step 6: Final answer
    x = 24,648,349.18

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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.