Home / 10,215,965.60-15,323,893.06-4,379,291.80

Finding the Fourth Proportional to 10,215,965.60, 15,323,893.06 and 4,379,291.80

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Solution

The fourth proportional to 10,215,965.60, 15,323,893.06 and 4,379,291.80 is: 6,568,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,965.60 : 15,323,893.06 = 4,379,291.80 : x
  2. Step 2: Convert to fraction form
    10,215,965.60/15,323,893.06 = 4,379,291.80/x
  3. Step 3: Cross multiply
    10,215,965.60x = 15,323,893.06 × 4,379,291.80
  4. Step 4: Simplify right side
    10,215,965.60x = 67,107,799,221,734.91
  5. Step 5: Solve for x
    x = 67,107,799,221,734.91/10,215,965.60
  6. Step 6: Final answer
    x = 6,568,913.98

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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.