Home / 28,381,802.20-42,572,703.30-19,423,850.20

Finding the Fourth Proportional to 28,381,802.20, 42,572,703.30 and 19,423,850.20

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Solution

The fourth proportional to 28,381,802.20, 42,572,703.30 and 19,423,850.20 is: 29,135,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381,802.20 : 42,572,703.30 = 19,423,850.20 : x
  2. Step 2: Convert to fraction form
    28,381,802.20/42,572,703.30 = 19,423,850.20/x
  3. Step 3: Cross multiply
    28,381,802.20x = 42,572,703.30 × 19,423,850.20
  4. Step 4: Simplify right side
    28,381,802.20x = 826,925,811,508,245.62
  5. Step 5: Solve for x
    x = 826,925,811,508,245.62/28,381,802.20
  6. Step 6: Final answer
    x = 29,135,775.30

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Similar ratio
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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.