Home / 12,754,384.11-19,142,631.25-6,693,397.92

Finding the Fourth Proportional to 12,754,384.11, 19,142,631.25 and 6,693,397.92

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Solution

The fourth proportional to 12,754,384.11, 19,142,631.25 and 6,693,397.92 is: 10,045,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,384.11 : 19,142,631.25 = 6,693,397.92 : x
  2. Step 2: Convert to fraction form
    12,754,384.11/19,142,631.25 = 6,693,397.92/x
  3. Step 3: Cross multiply
    12,754,384.11x = 19,142,631.25 × 6,693,397.92
  4. Step 4: Simplify right side
    12,754,384.11x = 128,129,248,175,343.50
  5. Step 5: Solve for x
    x = 128,129,248,175,343.50/12,754,384.11
  6. Step 6: Final answer
    x = 10,045,898.50

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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.