Home / 48,389,634.80-72,584,452.20-12,487,842.80

Finding the Fourth Proportional to 48,389,634.80, 72,584,452.20 and 12,487,842.80

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Solution

The fourth proportional to 48,389,634.80, 72,584,452.20 and 12,487,842.80 is: 18,731,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389,634.80 : 72,584,452.20 = 12,487,842.80 : x
  2. Step 2: Convert to fraction form
    48,389,634.80/72,584,452.20 = 12,487,842.80/x
  3. Step 3: Cross multiply
    48,389,634.80x = 72,584,452.20 × 12,487,842.80
  4. Step 4: Simplify right side
    48,389,634.80x = 906,423,228,797,714.25
  5. Step 5: Solve for x
    x = 906,423,228,797,714.25/48,389,634.80
  6. Step 6: Final answer
    x = 18,731,764.20

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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.