Home / 28,516,516.70-42,774,775.05-27,508,747.10

Finding the Fourth Proportional to 28,516,516.70, 42,774,775.05 and 27,508,747.10

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Solution

The fourth proportional to 28,516,516.70, 42,774,775.05 and 27,508,747.10 is: 41,263,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,516.70 : 42,774,775.05 = 27,508,747.10 : x
  2. Step 2: Convert to fraction form
    28,516,516.70/42,774,775.05 = 27,508,747.10/x
  3. Step 3: Cross multiply
    28,516,516.70x = 42,774,775.05 × 27,508,747.10
  4. Step 4: Simplify right side
    28,516,516.70x = 1,176,680,469,109,839.75
  5. Step 5: Solve for x
    x = 1,176,680,469,109,839.75/28,516,516.70
  6. Step 6: Final answer
    x = 41,263,120.65

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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.