Home / 18,674,363.70-28,011,545.55-11,097,429.30

Finding the Fourth Proportional to 18,674,363.70, 28,011,545.55 and 11,097,429.30

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Solution

The fourth proportional to 18,674,363.70, 28,011,545.55 and 11,097,429.30 is: 16,646,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674,363.70 : 28,011,545.55 = 11,097,429.30 : x
  2. Step 2: Convert to fraction form
    18,674,363.70/28,011,545.55 = 11,097,429.30/x
  3. Step 3: Cross multiply
    18,674,363.70x = 28,011,545.55 × 11,097,429.30
  4. Step 4: Simplify right side
    18,674,363.70x = 310,856,146,324,854.62
  5. Step 5: Solve for x
    x = 310,856,146,324,854.62/18,674,363.70
  6. Step 6: Final answer
    x = 16,646,143.95

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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.