Home / 12,817,717.76-17,687,329.65-7,589,788.04

Finding the Fourth Proportional to 12,817,717.76, 17,687,329.65 and 7,589,788.04

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Solution

The fourth proportional to 12,817,717.76, 17,687,329.65 and 7,589,788.04 is: 10,473,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,717.76 : 17,687,329.65 = 7,589,788.04 : x
  2. Step 2: Convert to fraction form
    12,817,717.76/17,687,329.65 = 7,589,788.04/x
  3. Step 3: Cross multiply
    12,817,717.76x = 17,687,329.65 × 7,589,788.04
  4. Step 4: Simplify right side
    12,817,717.76x = 134,243,082,948,670.73
  5. Step 5: Solve for x
    x = 134,243,082,948,670.73/12,817,717.76
  6. Step 6: Final answer
    x = 10,473,243.80

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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.