Home / 20,912,937.57-31,369,430.85-6,536,080.71

Finding the Fourth Proportional to 20,912,937.57, 31,369,430.85 and 6,536,080.71

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Solution

The fourth proportional to 20,912,937.57, 31,369,430.85 and 6,536,080.71 is: 9,804,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,937.57 : 31,369,430.85 = 6,536,080.71 : x
  2. Step 2: Convert to fraction form
    20,912,937.57/31,369,430.85 = 6,536,080.71/x
  3. Step 3: Cross multiply
    20,912,937.57x = 31,369,430.85 × 6,536,080.71
  4. Step 4: Simplify right side
    20,912,937.57x = 205,033,131,862,363.91
  5. Step 5: Solve for x
    x = 205,033,131,862,363.91/20,912,937.57
  6. Step 6: Final answer
    x = 9,804,128.72

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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.