Home / 48,347,320.40-72,499,985.40-15,986,718.80

Finding the Fourth Proportional to 48,347,320.40, 72,499,985.40 and 15,986,718.80

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Solution

The fourth proportional to 48,347,320.40, 72,499,985.40 and 15,986,718.80 is: 23,973,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347,320.40 : 72,499,985.40 = 15,986,718.80 : x
  2. Step 2: Convert to fraction form
    48,347,320.40/72,499,985.40 = 15,986,718.80/x
  3. Step 3: Cross multiply
    48,347,320.40x = 72,499,985.40 × 15,986,718.80
  4. Step 4: Simplify right side
    48,347,320.40x = 1,159,036,879,593,905.75
  5. Step 5: Solve for x
    x = 1,159,036,879,593,905.75/48,347,320.40
  6. Step 6: Final answer
    x = 23,973,135.84

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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.