Home / 20,534,516.20-30,791,394.78-12,017,411.56

Finding the Fourth Proportional to 20,534,516.20, 30,791,394.78 and 12,017,411.56

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Solution

The fourth proportional to 20,534,516.20, 30,791,394.78 and 12,017,411.56 is: 18,020,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,516.20 : 30,791,394.78 = 12,017,411.56 : x
  2. Step 2: Convert to fraction form
    20,534,516.20/30,791,394.78 = 12,017,411.56/x
  3. Step 3: Cross multiply
    20,534,516.20x = 30,791,394.78 × 12,017,411.56
  4. Step 4: Simplify right side
    20,534,516.20x = 370,032,863,577,695.69
  5. Step 5: Solve for x
    x = 370,032,863,577,695.69/20,534,516.20
  6. Step 6: Final answer
    x = 18,020,042.94

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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.