Home / 10,408,815.20-15,620,221.20-5,859,855.20

Finding the Fourth Proportional to 10,408,815.20, 15,620,221.20 and 5,859,855.20

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Solution

The fourth proportional to 10,408,815.20, 15,620,221.20 and 5,859,855.20 is: 8,793,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,815.20 : 15,620,221.20 = 5,859,855.20 : x
  2. Step 2: Convert to fraction form
    10,408,815.20/15,620,221.20 = 5,859,855.20/x
  3. Step 3: Cross multiply
    10,408,815.20x = 15,620,221.20 × 5,859,855.20
  4. Step 4: Simplify right side
    10,408,815.20x = 91,532,234,423,970.23
  5. Step 5: Solve for x
    x = 91,532,234,423,970.23/10,408,815.20
  6. Step 6: Final answer
    x = 8,793,722.69

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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.