Home / 8,562,428.98-12,818,449.20-5,715,479.86

Finding the Fourth Proportional to 8,562,428.98, 12,818,449.20 and 5,715,479.86

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Solution

The fourth proportional to 8,562,428.98, 12,818,449.20 and 5,715,479.86 is: 8,556,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562,428.98 : 12,818,449.20 = 5,715,479.86 : x
  2. Step 2: Convert to fraction form
    8,562,428.98/12,818,449.20 = 5,715,479.86/x
  3. Step 3: Cross multiply
    8,562,428.98x = 12,818,449.20 × 5,715,479.86
  4. Step 4: Simplify right side
    8,562,428.98x = 73,263,588,239,033.11
  5. Step 5: Solve for x
    x = 73,263,588,239,033.11/8,562,428.98
  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.