Home / 28,264,167.70-42,396,251.55-8,066,785.30

Finding the Fourth Proportional to 28,264,167.70, 42,396,251.55 and 8,066,785.30

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Solution

The fourth proportional to 28,264,167.70, 42,396,251.55 and 8,066,785.30 is: 12,100,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264,167.70 : 42,396,251.55 = 8,066,785.30 : x
  2. Step 2: Convert to fraction form
    28,264,167.70/42,396,251.55 = 8,066,785.30/x
  3. Step 3: Cross multiply
    28,264,167.70x = 42,396,251.55 × 8,066,785.30
  4. Step 4: Simplify right side
    28,264,167.70x = 342,001,458,778,642.19
  5. Step 5: Solve for x
    x = 342,001,458,778,642.19/28,264,167.70
  6. Step 6: Final answer
    x = 12,100,177.95

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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.