Home / 18,432,700.80-27,649,051.20-5,655,177.60

Finding the Fourth Proportional to 18,432,700.80, 27,649,051.20 and 5,655,177.60

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Solution

The fourth proportional to 18,432,700.80, 27,649,051.20 and 5,655,177.60 is: 8,482,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,700.80 : 27,649,051.20 = 5,655,177.60 : x
  2. Step 2: Convert to fraction form
    18,432,700.80/27,649,051.20 = 5,655,177.60/x
  3. Step 3: Cross multiply
    18,432,700.80x = 27,649,051.20 × 5,655,177.60
  4. Step 4: Simplify right side
    18,432,700.80x = 156,360,295,007,493.09
  5. Step 5: Solve for x
    x = 156,360,295,007,493.09/18,432,700.80
  6. Step 6: Final answer
    x = 8,482,766.40

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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.