Home / 8,911,403.85-12,297,419.10-5,043,841.95

Finding the Fourth Proportional to 8,911,403.85, 12,297,419.10 and 5,043,841.95

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Solution

The fourth proportional to 8,911,403.85, 12,297,419.10 and 5,043,841.95 is: 6,960,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,403.85 : 12,297,419.10 = 5,043,841.95 : x
  2. Step 2: Convert to fraction form
    8,911,403.85/12,297,419.10 = 5,043,841.95/x
  3. Step 3: Cross multiply
    8,911,403.85x = 12,297,419.10 × 5,043,841.95
  4. Step 4: Simplify right side
    8,911,403.85x = 62,026,238,333,311.24
  5. Step 5: Solve for x
    x = 62,026,238,333,311.24/8,911,403.85
  6. Step 6: Final answer
    x = 6,960,321.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.