Home / 8,562,428.97-12,818,449.20-5,715,479.85

Finding the Fourth Proportional to 8,562,428.97, 12,818,449.20 and 5,715,479.85

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Solution

The fourth proportional to 8,562,428.97, 12,818,449.20 and 5,715,479.85 is: 8,556,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562,428.97 : 12,818,449.20 = 5,715,479.85 : x
  2. Step 2: Convert to fraction form
    8,562,428.97/12,818,449.20 = 5,715,479.85/x
  3. Step 3: Cross multiply
    8,562,428.97x = 12,818,449.20 × 5,715,479.85
  4. Step 4: Simplify right side
    8,562,428.97x = 73,263,588,110,848.61
  5. Step 5: Solve for x
    x = 73,263,588,110,848.61/8,562,428.97
  6. Step 6: Final answer
    x = 8,556,402.44

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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.