Home / 7,287,002.10-10,930,503.15-7,180,713.90

Finding the Fourth Proportional to 7,287,002.10, 10,930,503.15 and 7,180,713.90

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Solution

The fourth proportional to 7,287,002.10, 10,930,503.15 and 7,180,713.90 is: 10,771,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,002.10 : 10,930,503.15 = 7,180,713.90 : x
  2. Step 2: Convert to fraction form
    7,287,002.10/10,930,503.15 = 7,180,713.90/x
  3. Step 3: Cross multiply
    7,287,002.10x = 10,930,503.15 × 7,180,713.90
  4. Step 4: Simplify right side
    7,287,002.10x = 78,488,815,903,198.80
  5. Step 5: Solve for x
    x = 78,488,815,903,198.80/7,287,002.10
  6. Step 6: Final answer
    x = 10,771,070.85

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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.