Home / 28,494,047.30-42,745,218.15-9,320,159.30

Finding the Fourth Proportional to 28,494,047.30, 42,745,218.15 and 9,320,159.30

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Solution

The fourth proportional to 28,494,047.30, 42,745,218.15 and 9,320,159.30 is: 13,981,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494,047.30 : 42,745,218.15 = 9,320,159.30 : x
  2. Step 2: Convert to fraction form
    28,494,047.30/42,745,218.15 = 9,320,159.30/x
  3. Step 3: Cross multiply
    28,494,047.30x = 42,745,218.15 × 9,320,159.30
  4. Step 4: Simplify right side
    28,494,047.30x = 398,392,242,471,251.31
  5. Step 5: Solve for x
    x = 398,392,242,471,251.31/28,494,047.30
  6. Step 6: Final answer
    x = 13,981,595.46

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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.