Home / 7,010,847.80-10,520,937.30-3,978,207.80

Finding the Fourth Proportional to 7,010,847.80, 10,520,937.30 and 3,978,207.80

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Solution

The fourth proportional to 7,010,847.80, 10,520,937.30 and 3,978,207.80 is: 5,969,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010,847.80 : 10,520,937.30 = 3,978,207.80 : x
  2. Step 2: Convert to fraction form
    7,010,847.80/10,520,937.30 = 3,978,207.80/x
  3. Step 3: Cross multiply
    7,010,847.80x = 10,520,937.30 × 3,978,207.80
  4. Step 4: Simplify right side
    7,010,847.80x = 41,854,474,830,170.94
  5. Step 5: Solve for x
    x = 41,854,474,830,170.94/7,010,847.80
  6. Step 6: Final answer
    x = 5,969,959.13

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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.