Home / 7,134,520.20-10,687,265.10-4,430,545.80

Finding the Fourth Proportional to 7,134,520.20, 10,687,265.10 and 4,430,545.80

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Solution

The fourth proportional to 7,134,520.20, 10,687,265.10 and 4,430,545.80 is: 6,636,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,520.20 : 10,687,265.10 = 4,430,545.80 : x
  2. Step 2: Convert to fraction form
    7,134,520.20/10,687,265.10 = 4,430,545.80/x
  3. Step 3: Cross multiply
    7,134,520.20x = 10,687,265.10 × 4,430,545.80
  4. Step 4: Simplify right side
    7,134,520.20x = 47,350,417,502,291.58
  5. Step 5: Solve for x
    x = 47,350,417,502,291.58/7,134,520.20
  6. Step 6: Final answer
    x = 6,636,804.74

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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.