Home / 7,985,729.78-11,980,610.10-2,228,458.61

Finding the Fourth Proportional to 7,985,729.78, 11,980,610.10 and 2,228,458.61

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Solution

The fourth proportional to 7,985,729.78, 11,980,610.10 and 2,228,458.61 is: 3,343,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985,729.78 : 11,980,610.10 = 2,228,458.61 : x
  2. Step 2: Convert to fraction form
    7,985,729.78/11,980,610.10 = 2,228,458.61/x
  3. Step 3: Cross multiply
    7,985,729.78x = 11,980,610.10 × 2,228,458.61
  4. Step 4: Simplify right side
    7,985,729.78x = 26,698,293,670,494.91
  5. Step 5: Solve for x
    x = 26,698,293,670,494.91/7,985,729.78
  6. Step 6: Final answer
    x = 3,343,250.32

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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.