Home / 10,069,660.80-15,104,491.20-9,061,891.20

Finding the Fourth Proportional to 10,069,660.80, 15,104,491.20 and 9,061,891.20

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Solution

The fourth proportional to 10,069,660.80, 15,104,491.20 and 9,061,891.20 is: 13,592,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069,660.80 : 15,104,491.20 = 9,061,891.20 : x
  2. Step 2: Convert to fraction form
    10,069,660.80/15,104,491.20 = 9,061,891.20/x
  3. Step 3: Cross multiply
    10,069,660.80x = 15,104,491.20 × 9,061,891.20
  4. Step 4: Simplify right side
    10,069,660.80x = 136,875,255,885,757.42
  5. Step 5: Solve for x
    x = 136,875,255,885,757.42/10,069,660.80
  6. Step 6: Final answer
    x = 13,592,836.80

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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.