Home / 12,376,690.38-18,565,010.05-6,982,892.28

Finding the Fourth Proportional to 12,376,690.38, 18,565,010.05 and 6,982,892.28

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Solution

The fourth proportional to 12,376,690.38, 18,565,010.05 and 6,982,892.28 is: 10,474,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,690.38 : 18,565,010.05 = 6,982,892.28 : x
  2. Step 2: Convert to fraction form
    12,376,690.38/18,565,010.05 = 6,982,892.28/x
  3. Step 3: Cross multiply
    12,376,690.38x = 18,565,010.05 × 6,982,892.28
  4. Step 4: Simplify right side
    12,376,690.38x = 129,637,465,356,267.42
  5. Step 5: Solve for x
    x = 129,637,465,356,267.42/12,376,690.38
  6. Step 6: Final answer
    x = 10,474,324.02

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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.