Home / 12,218,685.14-18,327,788.03-4,931,951.06

Finding the Fourth Proportional to 12,218,685.14, 18,327,788.03 and 4,931,951.06

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Solution

The fourth proportional to 12,218,685.14, 18,327,788.03 and 4,931,951.06 is: 7,397,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,685.14 : 18,327,788.03 = 4,931,951.06 : x
  2. Step 2: Convert to fraction form
    12,218,685.14/18,327,788.03 = 4,931,951.06/x
  3. Step 3: Cross multiply
    12,218,685.14x = 18,327,788.03 × 4,931,951.06
  4. Step 4: Simplify right side
    12,218,685.14x = 90,391,753,602,013.81
  5. Step 5: Solve for x
    x = 90,391,753,602,013.81/12,218,685.14
  6. Step 6: Final answer
    x = 7,397,829.85

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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.