Home / 10,815,162.55-14,924,923.20-5,920,387.96

Finding the Fourth Proportional to 10,815,162.55, 14,924,923.20 and 5,920,387.96

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Solution

The fourth proportional to 10,815,162.55, 14,924,923.20 and 5,920,387.96 is: 8,170,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815,162.55 : 14,924,923.20 = 5,920,387.96 : x
  2. Step 2: Convert to fraction form
    10,815,162.55/14,924,923.20 = 5,920,387.96/x
  3. Step 3: Cross multiply
    10,815,162.55x = 14,924,923.20 × 5,920,387.96
  4. Step 4: Simplify right side
    10,815,162.55x = 88,361,335,617,204.67
  5. Step 5: Solve for x
    x = 88,361,335,617,204.67/10,815,162.55
  6. Step 6: Final answer
    x = 8,170,134.77

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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.