Home / 13,638,596.52-18,815,359.20-8,340,524.04

Finding the Fourth Proportional to 13,638,596.52, 18,815,359.20 and 8,340,524.04

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Solution

The fourth proportional to 13,638,596.52, 18,815,359.20 and 8,340,524.04 is: 11,506,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,638,596.52 : 18,815,359.20 = 8,340,524.04 : x
  2. Step 2: Convert to fraction form
    13,638,596.52/18,815,359.20 = 8,340,524.04/x
  3. Step 3: Cross multiply
    13,638,596.52x = 18,815,359.20 × 8,340,524.04
  4. Step 4: Simplify right side
    13,638,596.52x = 156,929,955,728,835.16
  5. Step 5: Solve for x
    x = 156,929,955,728,835.16/13,638,596.52
  6. Step 6: Final answer
    x = 11,506,312.65

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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.