Home / 7,002,117.30-10,511,049.15-5,411,730.90

Finding the Fourth Proportional to 7,002,117.30, 10,511,049.15 and 5,411,730.90

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Solution

The fourth proportional to 7,002,117.30, 10,511,049.15 and 5,411,730.90 is: 8,123,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,117.30 : 10,511,049.15 = 5,411,730.90 : x
  2. Step 2: Convert to fraction form
    7,002,117.30/10,511,049.15 = 5,411,730.90/x
  3. Step 3: Cross multiply
    7,002,117.30x = 10,511,049.15 × 5,411,730.90
  4. Step 4: Simplify right side
    7,002,117.30x = 56,882,969,476,473.74
  5. Step 5: Solve for x
    x = 56,882,969,476,473.74/7,002,117.30
  6. Step 6: Final answer
    x = 8,123,681.32

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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.