Home / 30,304,400.70-45,456,601.05-18,187,545.90

Finding the Fourth Proportional to 30,304,400.70, 45,456,601.05 and 18,187,545.90

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Solution

The fourth proportional to 30,304,400.70, 45,456,601.05 and 18,187,545.90 is: 27,281,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304,400.70 : 45,456,601.05 = 18,187,545.90 : x
  2. Step 2: Convert to fraction form
    30,304,400.70/45,456,601.05 = 18,187,545.90/x
  3. Step 3: Cross multiply
    30,304,400.70x = 45,456,601.05 × 18,187,545.90
  4. Step 4: Simplify right side
    30,304,400.70x = 826,744,018,054,863.12
  5. Step 5: Solve for x
    x = 826,744,018,054,863.12/30,304,400.70
  6. Step 6: Final answer
    x = 27,281,318.85

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1.5x scale

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.