Home / 8,050,207.60-12,043,818.60-5,215,855.60

Finding the Fourth Proportional to 8,050,207.60, 12,043,818.60 and 5,215,855.60

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Solution

The fourth proportional to 8,050,207.60, 12,043,818.60 and 5,215,855.60 is: 7,803,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,050,207.60 : 12,043,818.60 = 5,215,855.60 : x
  2. Step 2: Convert to fraction form
    8,050,207.60/12,043,818.60 = 5,215,855.60/x
  3. Step 3: Cross multiply
    8,050,207.60x = 12,043,818.60 × 5,215,855.60
  4. Step 4: Simplify right side
    8,050,207.60x = 62,818,818,690,194.16
  5. Step 5: Solve for x
    x = 62,818,818,690,194.16/8,050,207.60
  6. Step 6: Final answer
    x = 7,803,378.72

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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.