Home / 12,481,230.60-18,721,845.90-8,226,203.40

Finding the Fourth Proportional to 12,481,230.60, 18,721,845.90 and 8,226,203.40

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Solution

The fourth proportional to 12,481,230.60, 18,721,845.90 and 8,226,203.40 is: 12,339,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,230.60 : 18,721,845.90 = 8,226,203.40 : x
  2. Step 2: Convert to fraction form
    12,481,230.60/18,721,845.90 = 8,226,203.40/x
  3. Step 3: Cross multiply
    12,481,230.60x = 18,721,845.90 × 8,226,203.40
  4. Step 4: Simplify right side
    12,481,230.60x = 154,009,712,396,856.06
  5. Step 5: Solve for x
    x = 154,009,712,396,856.06/12,481,230.60
  6. Step 6: Final answer
    x = 12,339,305.10

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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.