Home / 18,815,722.10-28,218,123.63-7,885,626.14

Finding the Fourth Proportional to 18,815,722.10, 28,218,123.63 and 7,885,626.14

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Solution

The fourth proportional to 18,815,722.10, 28,218,123.63 and 7,885,626.14 is: 11,826,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815,722.10 : 28,218,123.63 = 7,885,626.14 : x
  2. Step 2: Convert to fraction form
    18,815,722.10/28,218,123.63 = 7,885,626.14/x
  3. Step 3: Cross multiply
    18,815,722.10x = 28,218,123.63 × 7,885,626.14
  4. Step 4: Simplify right side
    18,815,722.10x = 222,517,573,177,389.06
  5. Step 5: Solve for x
    x = 222,517,573,177,389.06/18,815,722.10
  6. Step 6: Final answer
    x = 11,826,151.13

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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.