Home / 12,236,456.85-18,338,151.06-4,659,289.17

Finding the Fourth Proportional to 12,236,456.85, 18,338,151.06 and 4,659,289.17

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Solution

The fourth proportional to 12,236,456.85, 18,338,151.06 and 4,659,289.17 is: 6,982,638.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,456.85 : 18,338,151.06 = 4,659,289.17 : x
  2. Step 2: Convert to fraction form
    12,236,456.85/18,338,151.06 = 4,659,289.17/x
  3. Step 3: Cross multiply
    12,236,456.85x = 18,338,151.06 × 4,659,289.17
  4. Step 4: Simplify right side
    12,236,456.85x = 85,442,748,631,682.02
  5. Step 5: Solve for x
    x = 85,442,748,631,682.02/12,236,456.85
  6. Step 6: Final answer
    x = 6,982,638.00

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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.