Home / 7,206,068-9,944,500.20-3,943,168.58

Finding the Fourth Proportional to 7,206,068, 9,944,500.20 and 3,943,168.58

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Solution

The fourth proportional to 7,206,068, 9,944,500.20 and 3,943,168.58 is: 5,441,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206,068 : 9,944,500.20 = 3,943,168.58 : x
  2. Step 2: Convert to fraction form
    7,206,068/9,944,500.20 = 3,943,168.58/x
  3. Step 3: Cross multiply
    7,206,068x = 9,944,500.20 × 3,943,168.58
  4. Step 4: Simplify right side
    7,206,068x = 39,212,840,732,443.71
  5. Step 5: Solve for x
    x = 39,212,840,732,443.71/7,206,068
  6. Step 6: Final answer
    x = 5,441,641.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.