Home / 14,128,117.30-21,193,731.15-5,154,613.30

Finding the Fourth Proportional to 14,128,117.30, 21,193,731.15 and 5,154,613.30

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Solution

The fourth proportional to 14,128,117.30, 21,193,731.15 and 5,154,613.30 is: 7,732,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,117.30 : 21,193,731.15 = 5,154,613.30 : x
  2. Step 2: Convert to fraction form
    14,128,117.30/21,193,731.15 = 5,154,613.30/x
  3. Step 3: Cross multiply
    14,128,117.30x = 21,193,731.15 × 5,154,613.30
  4. Step 4: Simplify right side
    14,128,117.30x = 109,245,488,462,414.28
  5. Step 5: Solve for x
    x = 109,245,488,462,414.28/14,128,117.30
  6. Step 6: Final answer
    x = 7,732,487.36

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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.