Home / 18,862,438.60-28,313,447.82-16,717,195.72

Finding the Fourth Proportional to 18,862,438.60, 28,313,447.82 and 16,717,195.72

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Solution

The fourth proportional to 18,862,438.60, 28,313,447.82 and 16,717,195.72 is: 25,093,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862,438.60 : 28,313,447.82 = 16,717,195.72 : x
  2. Step 2: Convert to fraction form
    18,862,438.60/28,313,447.82 = 16,717,195.72/x
  3. Step 3: Cross multiply
    18,862,438.60x = 28,313,447.82 × 16,717,195.72
  4. Step 4: Simplify right side
    18,862,438.60x = 473,321,448,714,947.38
  5. Step 5: Solve for x
    x = 473,321,448,714,947.38/18,862,438.60
  6. Step 6: Final answer
    x = 25,093,332.77

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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.