Home / 12,376,690.76-18,565,010.61-6,982,892.66

Finding the Fourth Proportional to 12,376,690.76, 18,565,010.61 and 6,982,892.66

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Solution

The fourth proportional to 12,376,690.76, 18,565,010.61 and 6,982,892.66 is: 10,474,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,690.76 : 18,565,010.61 = 6,982,892.66 : x
  2. Step 2: Convert to fraction form
    12,376,690.76/18,565,010.61 = 6,982,892.66/x
  3. Step 3: Cross multiply
    12,376,690.76x = 18,565,010.61 × 6,982,892.66
  4. Step 4: Simplify right side
    12,376,690.76x = 129,637,476,228,566.06
  5. Step 5: Solve for x
    x = 129,637,476,228,566.06/12,376,690.76
  6. Step 6: Final answer
    x = 10,474,324.58

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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.