Home / 18,694,590.97-28,039,081.63-5,913,434.92

Finding the Fourth Proportional to 18,694,590.97, 28,039,081.63 and 5,913,434.92

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Solution

The fourth proportional to 18,694,590.97, 28,039,081.63 and 5,913,434.92 is: 8,869,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694,590.97 : 28,039,081.63 = 5,913,434.92 : x
  2. Step 2: Convert to fraction form
    18,694,590.97/28,039,081.63 = 5,913,434.92/x
  3. Step 3: Cross multiply
    18,694,590.97x = 28,039,081.63 × 5,913,434.92
  4. Step 4: Simplify right side
    18,694,590.97x = 165,807,284,435,572.50
  5. Step 5: Solve for x
    x = 165,807,284,435,572.50/18,694,590.97
  6. Step 6: Final answer
    x = 8,869,265.16

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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.