Home / 8,040,985.40-12,061,478.10-5,647,532.60

Finding the Fourth Proportional to 8,040,985.40, 12,061,478.10 and 5,647,532.60

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Solution

The fourth proportional to 8,040,985.40, 12,061,478.10 and 5,647,532.60 is: 8,471,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,985.40 : 12,061,478.10 = 5,647,532.60 : x
  2. Step 2: Convert to fraction form
    8,040,985.40/12,061,478.10 = 5,647,532.60/x
  3. Step 3: Cross multiply
    8,040,985.40x = 12,061,478.10 × 5,647,532.60
  4. Step 4: Simplify right side
    8,040,985.40x = 68,117,590,773,936.05
  5. Step 5: Solve for x
    x = 68,117,590,773,936.05/8,040,985.40
  6. Step 6: Final answer
    x = 8,471,298.90

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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.