Home / 12,043,380.11-16,619,656.01-6,536,636.78

Finding the Fourth Proportional to 12,043,380.11, 16,619,656.01 and 6,536,636.78

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Solution

The fourth proportional to 12,043,380.11, 16,619,656.01 and 6,536,636.78 is: 9,020,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,380.11 : 16,619,656.01 = 6,536,636.78 : x
  2. Step 2: Convert to fraction form
    12,043,380.11/16,619,656.01 = 6,536,636.78/x
  3. Step 3: Cross multiply
    12,043,380.11x = 16,619,656.01 × 6,536,636.78
  4. Step 4: Simplify right side
    12,043,380.11x = 108,636,654,630,132.59
  5. Step 5: Solve for x
    x = 108,636,654,630,132.59/12,043,380.11
  6. Step 6: Final answer
    x = 9,020,445.56

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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.