Home / 48,288,127.20-72,432,190.80-15,945,021.60

Finding the Fourth Proportional to 48,288,127.20, 72,432,190.80 and 15,945,021.60

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Solution

The fourth proportional to 48,288,127.20, 72,432,190.80 and 15,945,021.60 is: 23,917,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,288,127.20 : 72,432,190.80 = 15,945,021.60 : x
  2. Step 2: Convert to fraction form
    48,288,127.20/72,432,190.80 = 15,945,021.60/x
  3. Step 3: Cross multiply
    48,288,127.20x = 72,432,190.80 × 15,945,021.60
  4. Step 4: Simplify right side
    48,288,127.20x = 1,154,932,846,841,321.25
  5. Step 5: Solve for x
    x = 1,154,932,846,841,321.25/48,288,127.20
  6. Step 6: Final answer
    x = 23,917,532.40

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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.