Home / 18,432,764.80-27,649,147.20-5,655,241.60

Finding the Fourth Proportional to 18,432,764.80, 27,649,147.20 and 5,655,241.60

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Solution

The fourth proportional to 18,432,764.80, 27,649,147.20 and 5,655,241.60 is: 8,482,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,764.80 : 27,649,147.20 = 5,655,241.60 : x
  2. Step 2: Convert to fraction form
    18,432,764.80/27,649,147.20 = 5,655,241.60/x
  3. Step 3: Cross multiply
    18,432,764.80x = 27,649,147.20 × 5,655,241.60
  4. Step 4: Simplify right side
    18,432,764.80x = 156,362,607,449,963.50
  5. Step 5: Solve for x
    x = 156,362,607,449,963.50/18,432,764.80
  6. Step 6: Final answer
    x = 8,482,862.40

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1.5x scale

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.