Home / 18,954,414.60-28,431,621.90-9,367,809.45

Finding the Fourth Proportional to 18,954,414.60, 28,431,621.90 and 9,367,809.45

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Solution

The fourth proportional to 18,954,414.60, 28,431,621.90 and 9,367,809.45 is: 14,051,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,414.60 : 28,431,621.90 = 9,367,809.45 : x
  2. Step 2: Convert to fraction form
    18,954,414.60/28,431,621.90 = 9,367,809.45/x
  3. Step 3: Cross multiply
    18,954,414.60x = 28,431,621.90 × 9,367,809.45
  4. Step 4: Simplify right side
    18,954,414.60x = 266,342,016,313,646.91
  5. Step 5: Solve for x
    x = 266,342,016,313,646.91/18,954,414.60
  6. Step 6: Final answer
    x = 14,051,714.18

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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.