Home / 48,389,924.80-72,584,887.20-12,488,132.80

Finding the Fourth Proportional to 48,389,924.80, 72,584,887.20 and 12,488,132.80

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Solution

The fourth proportional to 48,389,924.80, 72,584,887.20 and 12,488,132.80 is: 18,732,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389,924.80 : 72,584,887.20 = 12,488,132.80 : x
  2. Step 2: Convert to fraction form
    48,389,924.80/72,584,887.20 = 12,488,132.80/x
  3. Step 3: Cross multiply
    48,389,924.80x = 72,584,887.20 × 12,488,132.80
  4. Step 4: Simplify right side
    48,389,924.80x = 906,449,710,626,620.25
  5. Step 5: Solve for x
    x = 906,449,710,626,620.25/48,389,924.80
  6. Step 6: Final answer
    x = 18,732,199.20

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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.