Home / 25,931,868.12-38,904,527.61-13,791,348.36

Finding the Fourth Proportional to 25,931,868.12, 38,904,527.61 and 13,791,348.36

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Solution

The fourth proportional to 25,931,868.12, 38,904,527.61 and 13,791,348.36 is: 20,690,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931,868.12 : 38,904,527.61 = 13,791,348.36 : x
  2. Step 2: Convert to fraction form
    25,931,868.12/38,904,527.61 = 13,791,348.36/x
  3. Step 3: Cross multiply
    25,931,868.12x = 38,904,527.61 × 13,791,348.36
  4. Step 4: Simplify right side
    25,931,868.12x = 536,545,893,050,748.19
  5. Step 5: Solve for x
    x = 536,545,893,050,748.19/25,931,868.12
  6. Step 6: Final answer
    x = 20,690,599.33

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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.