Home / 9,408,469.16-12,991,000.82-7,229,577.80

Finding the Fourth Proportional to 9,408,469.16, 12,991,000.82 and 7,229,577.80

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Solution

The fourth proportional to 9,408,469.16, 12,991,000.82 and 7,229,577.80 is: 9,982,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408,469.16 : 12,991,000.82 = 7,229,577.80 : x
  2. Step 2: Convert to fraction form
    9,408,469.16/12,991,000.82 = 7,229,577.80/x
  3. Step 3: Cross multiply
    9,408,469.16x = 12,991,000.82 × 7,229,577.80
  4. Step 4: Simplify right side
    9,408,469.16x = 93,919,451,128,053.80
  5. Step 5: Solve for x
    x = 93,919,451,128,053.80/9,408,469.16
  6. Step 6: Final answer
    x = 9,982,437.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.