Home / 28,608,005.60-42,912,008.40-27,280,901.60

Finding the Fourth Proportional to 28,608,005.60, 42,912,008.40 and 27,280,901.60

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Solution

The fourth proportional to 28,608,005.60, 42,912,008.40 and 27,280,901.60 is: 40,921,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,005.60 : 42,912,008.40 = 27,280,901.60 : x
  2. Step 2: Convert to fraction form
    28,608,005.60/42,912,008.40 = 27,280,901.60/x
  3. Step 3: Cross multiply
    28,608,005.60x = 42,912,008.40 × 27,280,901.60
  4. Step 4: Simplify right side
    28,608,005.60x = 1,170,678,278,618,773.50
  5. Step 5: Solve for x
    x = 1,170,678,278,618,773.50/28,608,005.60
  6. Step 6: Final answer
    x = 40,921,352.40

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Similar ratio
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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.