Home / 15,459,087.40-23,188,631.10-8,656,642.60

Finding the Fourth Proportional to 15,459,087.40, 23,188,631.10 and 8,656,642.60

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Solution

The fourth proportional to 15,459,087.40, 23,188,631.10 and 8,656,642.60 is: 12,984,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,087.40 : 23,188,631.10 = 8,656,642.60 : x
  2. Step 2: Convert to fraction form
    15,459,087.40/23,188,631.10 = 8,656,642.60/x
  3. Step 3: Cross multiply
    15,459,087.40x = 23,188,631.10 × 8,656,642.60
  4. Step 4: Simplify right side
    15,459,087.40x = 200,735,691,815,944.88
  5. Step 5: Solve for x
    x = 200,735,691,815,944.88/15,459,087.40
  6. Step 6: Final answer
    x = 12,984,963.90

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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.