Home / 12,466,964.60-18,702,974.10-7,078,196.60

Finding the Fourth Proportional to 12,466,964.60, 18,702,974.10 and 7,078,196.60

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Solution

The fourth proportional to 12,466,964.60, 18,702,974.10 and 7,078,196.60 is: 10,618,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466,964.60 : 18,702,974.10 = 7,078,196.60 : x
  2. Step 2: Convert to fraction form
    12,466,964.60/18,702,974.10 = 7,078,196.60/x
  3. Step 3: Cross multiply
    12,466,964.60x = 18,702,974.10 × 7,078,196.60
  4. Step 4: Simplify right side
    12,466,964.60x = 132,383,327,684,508.06
  5. Step 5: Solve for x
    x = 132,383,327,684,508.06/12,466,964.60
  6. Step 6: Final answer
    x = 10,618,729.73

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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.