Home / 18,737,437.20-28,106,155.80-5,959,233.60

Finding the Fourth Proportional to 18,737,437.20, 28,106,155.80 and 5,959,233.60

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Solution

The fourth proportional to 18,737,437.20, 28,106,155.80 and 5,959,233.60 is: 8,938,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,437.20 : 28,106,155.80 = 5,959,233.60 : x
  2. Step 2: Convert to fraction form
    18,737,437.20/28,106,155.80 = 5,959,233.60/x
  3. Step 3: Cross multiply
    18,737,437.20x = 28,106,155.80 × 5,959,233.60
  4. Step 4: Simplify right side
    18,737,437.20x = 167,491,148,010,194.88
  5. Step 5: Solve for x
    x = 167,491,148,010,194.88/18,737,437.20
  6. Step 6: Final answer
    x = 8,938,850.40

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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.