Home / 48,347,321.40-72,499,986.90-15,986,719.80

Finding the Fourth Proportional to 48,347,321.40, 72,499,986.90 and 15,986,719.80

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Solution

The fourth proportional to 48,347,321.40, 72,499,986.90 and 15,986,719.80 is: 23,973,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347,321.40 : 72,499,986.90 = 15,986,719.80 : x
  2. Step 2: Convert to fraction form
    48,347,321.40/72,499,986.90 = 15,986,719.80/x
  3. Step 3: Cross multiply
    48,347,321.40x = 72,499,986.90 × 15,986,719.80
  4. Step 4: Simplify right side
    48,347,321.40x = 1,159,036,976,073,970.75
  5. Step 5: Solve for x
    x = 1,159,036,976,073,970.75/48,347,321.40
  6. Step 6: Final answer
    x = 23,973,137.34

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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.