Home / 7,251,492.80-10,865,429.40-5,338,305.20

Finding the Fourth Proportional to 7,251,492.80, 10,865,429.40 and 5,338,305.20

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Solution

The fourth proportional to 7,251,492.80, 10,865,429.40 and 5,338,305.20 is: 7,998,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,492.80 : 10,865,429.40 = 5,338,305.20 : x
  2. Step 2: Convert to fraction form
    7,251,492.80/10,865,429.40 = 5,338,305.20/x
  3. Step 3: Cross multiply
    7,251,492.80x = 10,865,429.40 × 5,338,305.20
  4. Step 4: Simplify right side
    7,251,492.80x = 58,002,978,266,252.88
  5. Step 5: Solve for x
    x = 58,002,978,266,252.88/7,251,492.80
  6. Step 6: Final answer
    x = 7,998,763.82

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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.