Home / 28,817,178.03-43,222,572.41-7,251,785.55

Finding the Fourth Proportional to 28,817,178.03, 43,222,572.41 and 7,251,785.55

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Solution

The fourth proportional to 28,817,178.03, 43,222,572.41 and 7,251,785.55 is: 10,876,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,178.03 : 43,222,572.41 = 7,251,785.55 : x
  2. Step 2: Convert to fraction form
    28,817,178.03/43,222,572.41 = 7,251,785.55/x
  3. Step 3: Cross multiply
    28,817,178.03x = 43,222,572.41 × 7,251,785.55
  4. Step 4: Simplify right side
    28,817,178.03x = 313,440,826,000,407.75
  5. Step 5: Solve for x
    x = 313,440,826,000,407.75/28,817,178.03
  6. Step 6: Final answer
    x = 10,876,874.40

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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.