Home / 9,523,731.16-13,142,845.52-5,172,902.43

Finding the Fourth Proportional to 9,523,731.16, 13,142,845.52 and 5,172,902.43

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Solution

The fourth proportional to 9,523,731.16, 13,142,845.52 and 5,172,902.43 is: 7,138,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523,731.16 : 13,142,845.52 = 5,172,902.43 : x
  2. Step 2: Convert to fraction form
    9,523,731.16/13,142,845.52 = 5,172,902.43/x
  3. Step 3: Cross multiply
    9,523,731.16x = 13,142,845.52 × 5,172,902.43
  4. Step 4: Simplify right side
    9,523,731.16x = 67,986,657,527,522.61
  5. Step 5: Solve for x
    x = 67,986,657,527,522.61/9,523,731.16
  6. Step 6: Final answer
    x = 7,138,657.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.