Home / 48,587,790.40-72,909,679.20-18,317,377.60

Finding the Fourth Proportional to 48,587,790.40, 72,909,679.20 and 18,317,377.60

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Solution

The fourth proportional to 48,587,790.40, 72,909,679.20 and 18,317,377.60 is: 27,486,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587,790.40 : 72,909,679.20 = 18,317,377.60 : x
  2. Step 2: Convert to fraction form
    48,587,790.40/72,909,679.20 = 18,317,377.60/x
  3. Step 3: Cross multiply
    48,587,790.40x = 72,909,679.20 × 18,317,377.60
  4. Step 4: Simplify right side
    48,587,790.40x = 1,335,514,124,601,266
  5. Step 5: Solve for x
    x = 1,335,514,124,601,266/48,587,790.40
  6. Step 6: Final answer
    x = 27,486,619.86

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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.