Home / 28,678,584.80-43,017,877.20-25,543,301.60

Finding the Fourth Proportional to 28,678,584.80, 43,017,877.20 and 25,543,301.60

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Solution

The fourth proportional to 28,678,584.80, 43,017,877.20 and 25,543,301.60 is: 38,314,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,584.80 : 43,017,877.20 = 25,543,301.60 : x
  2. Step 2: Convert to fraction form
    28,678,584.80/43,017,877.20 = 25,543,301.60/x
  3. Step 3: Cross multiply
    28,678,584.80x = 43,017,877.20 × 25,543,301.60
  4. Step 4: Simplify right side
    28,678,584.80x = 1,098,818,611,511,363.62
  5. Step 5: Solve for x
    x = 1,098,818,611,511,363.62/28,678,584.80
  6. Step 6: Final answer
    x = 38,314,952.40

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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.