Home / 20,924,540.05-31,387,399.08-5,778,471.55

Finding the Fourth Proportional to 20,924,540.05, 31,387,399.08 and 5,778,471.55

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Solution

The fourth proportional to 20,924,540.05, 31,387,399.08 and 5,778,471.55 is: 8,667,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924,540.05 : 31,387,399.08 = 5,778,471.55 : x
  2. Step 2: Convert to fraction form
    20,924,540.05/31,387,399.08 = 5,778,471.55/x
  3. Step 3: Cross multiply
    20,924,540.05x = 31,387,399.08 × 5,778,471.55
  4. Step 4: Simplify right side
    20,924,540.05x = 181,371,192,612,276.16
  5. Step 5: Solve for x
    x = 181,371,192,612,276.16/20,924,540.05
  6. Step 6: Final answer
    x = 8,667,869.98

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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.