Home / 18,715,480.80-28,073,221.20-4,532,056.80

Finding the Fourth Proportional to 18,715,480.80, 28,073,221.20 and 4,532,056.80

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Solution

The fourth proportional to 18,715,480.80, 28,073,221.20 and 4,532,056.80 is: 6,798,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,480.80 : 28,073,221.20 = 4,532,056.80 : x
  2. Step 2: Convert to fraction form
    18,715,480.80/28,073,221.20 = 4,532,056.80/x
  3. Step 3: Cross multiply
    18,715,480.80x = 28,073,221.20 × 4,532,056.80
  4. Step 4: Simplify right side
    18,715,480.80x = 127,229,433,037,364.16
  5. Step 5: Solve for x
    x = 127,229,433,037,364.16/18,715,480.80
  6. Step 6: Final answer
    x = 6,798,085.20

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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.