Home / 15,808,885.96-21,815,061.16-9,613,077.38

Finding the Fourth Proportional to 15,808,885.96, 21,815,061.16 and 9,613,077.38

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Solution

The fourth proportional to 15,808,885.96, 21,815,061.16 and 9,613,077.38 is: 13,265,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808,885.96 : 21,815,061.16 = 9,613,077.38 : x
  2. Step 2: Convert to fraction form
    15,808,885.96/21,815,061.16 = 9,613,077.38/x
  3. Step 3: Cross multiply
    15,808,885.96x = 21,815,061.16 × 9,613,077.38
  4. Step 4: Simplify right side
    15,808,885.96x = 209,709,870,980,512.59
  5. Step 5: Solve for x
    x = 209,709,870,980,512.59/15,808,885.96
  6. Step 6: Final answer
    x = 13,265,316.20

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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.