Home / 25,931,950.28-38,904,651.05-13,791,430.92

Finding the Fourth Proportional to 25,931,950.28, 38,904,651.05 and 13,791,430.92

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Solution

The fourth proportional to 25,931,950.28, 38,904,651.05 and 13,791,430.92 is: 20,690,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931,950.28 : 38,904,651.05 = 13,791,430.92 : x
  2. Step 2: Convert to fraction form
    25,931,950.28/38,904,651.05 = 13,791,430.92/x
  3. Step 3: Cross multiply
    25,931,950.28x = 38,904,651.05 × 13,791,430.92
  4. Step 4: Simplify right side
    25,931,950.28x = 536,550,807,353,823.31
  5. Step 5: Solve for x
    x = 536,550,807,353,823.31/25,931,950.28
  6. Step 6: Final answer
    x = 20,690,723.28

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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.