Home / 20,647,539.20-30,935,879.40-9,841,572.20

Finding the Fourth Proportional to 20,647,539.20, 30,935,879.40 and 9,841,572.20

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Solution

The fourth proportional to 20,647,539.20, 30,935,879.40 and 9,841,572.20 is: 14,745,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,647,539.20 : 30,935,879.40 = 9,841,572.20 : x
  2. Step 2: Convert to fraction form
    20,647,539.20/30,935,879.40 = 9,841,572.20/x
  3. Step 3: Cross multiply
    20,647,539.20x = 30,935,879.40 × 9,841,572.20
  4. Step 4: Simplify right side
    20,647,539.20x = 304,457,690,685,592.62
  5. Step 5: Solve for x
    x = 304,457,690,685,592.62/20,647,539.20
  6. Step 6: Final answer
    x = 14,745,471.01

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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.