Home / 18,206,906.60-27,306,860.70-5,427,828.20

Finding the Fourth Proportional to 18,206,906.60, 27,306,860.70 and 5,427,828.20

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Solution

The fourth proportional to 18,206,906.60, 27,306,860.70 and 5,427,828.20 is: 8,140,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206,906.60 : 27,306,860.70 = 5,427,828.20 : x
  2. Step 2: Convert to fraction form
    18,206,906.60/27,306,860.70 = 5,427,828.20/x
  3. Step 3: Cross multiply
    18,206,906.60x = 27,306,860.70 × 5,427,828.20
  4. Step 4: Simplify right side
    18,206,906.60x = 148,216,948,560,931.75
  5. Step 5: Solve for x
    x = 148,216,948,560,931.75/18,206,906.60
  6. Step 6: Final answer
    x = 8,140,699.12

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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.