Home / 9,118,520.80-13,676,031.60-2,728,981.60

Finding the Fourth Proportional to 9,118,520.80, 13,676,031.60 and 2,728,981.60

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Solution

The fourth proportional to 9,118,520.80, 13,676,031.60 and 2,728,981.60 is: 4,092,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118,520.80 : 13,676,031.60 = 2,728,981.60 : x
  2. Step 2: Convert to fraction form
    9,118,520.80/13,676,031.60 = 2,728,981.60/x
  3. Step 3: Cross multiply
    9,118,520.80x = 13,676,031.60 × 2,728,981.60
  4. Step 4: Simplify right side
    9,118,520.80x = 37,321,638,597,418.56
  5. Step 5: Solve for x
    x = 37,321,638,597,418.56/9,118,520.80
  6. Step 6: Final answer
    x = 4,092,948.78

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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.