Home / 18,862,437.60-28,313,446.32-16,717,194.72

Finding the Fourth Proportional to 18,862,437.60, 28,313,446.32 and 16,717,194.72

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Solution

The fourth proportional to 18,862,437.60, 28,313,446.32 and 16,717,194.72 is: 25,093,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862,437.60 : 28,313,446.32 = 16,717,194.72 : x
  2. Step 2: Convert to fraction form
    18,862,437.60/28,313,446.32 = 16,717,194.72/x
  3. Step 3: Cross multiply
    18,862,437.60x = 28,313,446.32 × 16,717,194.72
  4. Step 4: Simplify right side
    18,862,437.60x = 473,321,395,325,707.44
  5. Step 5: Solve for x
    x = 473,321,395,325,707.44/18,862,437.60
  6. Step 6: Final answer
    x = 25,093,331.27

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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.