Home / 7,187,886.28-9,919,331.46-3,924,723.88

Finding the Fourth Proportional to 7,187,886.28, 9,919,331.46 and 3,924,723.88

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Solution

The fourth proportional to 7,187,886.28, 9,919,331.46 and 3,924,723.88 is: 5,416,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,886.28 : 9,919,331.46 = 3,924,723.88 : x
  2. Step 2: Convert to fraction form
    7,187,886.28/9,919,331.46 = 3,924,723.88/x
  3. Step 3: Cross multiply
    7,187,886.28x = 9,919,331.46 × 3,924,723.88
  4. Step 4: Simplify right side
    7,187,886.28x = 38,930,637,054,697.27
  5. Step 5: Solve for x
    x = 38,930,637,054,697.27/7,187,886.28
  6. Step 6: Final answer
    x = 5,416,145.38

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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.