Home / 14,901,393.20-20,565,627.68-8,286,641.60

Finding the Fourth Proportional to 14,901,393.20, 20,565,627.68 and 8,286,641.60

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Solution

The fourth proportional to 14,901,393.20, 20,565,627.68 and 8,286,641.60 is: 11,436,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901,393.20 : 20,565,627.68 = 8,286,641.60 : x
  2. Step 2: Convert to fraction form
    14,901,393.20/20,565,627.68 = 8,286,641.60/x
  3. Step 3: Cross multiply
    14,901,393.20x = 20,565,627.68 × 8,286,641.60
  4. Step 4: Simplify right side
    14,901,393.20x = 170,419,985,863,199.47
  5. Step 5: Solve for x
    x = 170,419,985,863,199.47/14,901,393.20
  6. Step 6: Final answer
    x = 11,436,513.59

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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.