Home / 8,243,651.20-12,363,113.76-2,778,150.88

Finding the Fourth Proportional to 8,243,651.20, 12,363,113.76 and 2,778,150.88

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Solution

The fourth proportional to 8,243,651.20, 12,363,113.76 and 2,778,150.88 is: 4,166,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243,651.20 : 12,363,113.76 = 2,778,150.88 : x
  2. Step 2: Convert to fraction form
    8,243,651.20/12,363,113.76 = 2,778,150.88/x
  3. Step 3: Cross multiply
    8,243,651.20x = 12,363,113.76 × 2,778,150.88
  4. Step 4: Simplify right side
    8,243,651.20x = 34,346,595,371,884.11
  5. Step 5: Solve for x
    x = 34,346,595,371,884.11/8,243,651.20
  6. Step 6: Final answer
    x = 4,166,429.96

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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.