Home / 20,791,601.64-28,680,890.94-12,088,812.06

Finding the Fourth Proportional to 20,791,601.64, 28,680,890.94 and 12,088,812.06

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Solution

The fourth proportional to 20,791,601.64, 28,680,890.94 and 12,088,812.06 is: 16,675,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,791,601.64 : 28,680,890.94 = 12,088,812.06 : x
  2. Step 2: Convert to fraction form
    20,791,601.64/28,680,890.94 = 12,088,812.06/x
  3. Step 3: Cross multiply
    20,791,601.64x = 28,680,890.94 × 12,088,812.06
  4. Step 4: Simplify right side
    20,791,601.64x = 346,717,900,287,016.75
  5. Step 5: Solve for x
    x = 346,717,900,287,016.75/20,791,601.64
  6. Step 6: Final answer
    x = 16,675,862.99

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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.