Home / 10,522,088.62-15,773,801.73-5,127,721.90

Finding the Fourth Proportional to 10,522,088.62, 15,773,801.73 and 5,127,721.90

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Solution

The fourth proportional to 10,522,088.62, 15,773,801.73 and 5,127,721.90 is: 7,687,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522,088.62 : 15,773,801.73 = 5,127,721.90 : x
  2. Step 2: Convert to fraction form
    10,522,088.62/15,773,801.73 = 5,127,721.90/x
  3. Step 3: Cross multiply
    10,522,088.62x = 15,773,801.73 × 5,127,721.90
  4. Step 4: Simplify right side
    10,522,088.62x = 80,883,668,577,178.89
  5. Step 5: Solve for x
    x = 80,883,668,577,178.89/10,522,088.62
  6. Step 6: Final answer
    x = 7,687,035.48

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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.