Home / 8,259,907.80-12,377,760.30-7,406,977.80

Finding the Fourth Proportional to 8,259,907.80, 12,377,760.30 and 7,406,977.80

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Solution

The fourth proportional to 8,259,907.80, 12,377,760.30 and 7,406,977.80 is: 11,099,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259,907.80 : 12,377,760.30 = 7,406,977.80 : x
  2. Step 2: Convert to fraction form
    8,259,907.80/12,377,760.30 = 7,406,977.80/x
  3. Step 3: Cross multiply
    8,259,907.80x = 12,377,760.30 × 7,406,977.80
  4. Step 4: Simplify right side
    8,259,907.80x = 91,681,795,755,821.34
  5. Step 5: Solve for x
    x = 91,681,795,755,821.34/8,259,907.80
  6. Step 6: Final answer
    x = 11,099,614.91

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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.