Home / 20,654,916.90-30,954,031.56-13,068,301.38

Finding the Fourth Proportional to 20,654,916.90, 30,954,031.56 and 13,068,301.38

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Solution

The fourth proportional to 20,654,916.90, 30,954,031.56 and 13,068,301.38 is: 19,584,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654,916.90 : 30,954,031.56 = 13,068,301.38 : x
  2. Step 2: Convert to fraction form
    20,654,916.90/30,954,031.56 = 13,068,301.38/x
  3. Step 3: Cross multiply
    20,654,916.90x = 30,954,031.56 × 13,068,301.38
  4. Step 4: Simplify right side
    20,654,916.90x = 404,516,613,352,111.56
  5. Step 5: Solve for x
    x = 404,516,613,352,111.56/20,654,916.90
  6. Step 6: Final answer
    x = 19,584,519.04

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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.