Home / 18,145,230.30-27,217,845.45-18,019,259.10

Finding the Fourth Proportional to 18,145,230.30, 27,217,845.45 and 18,019,259.10

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Solution

The fourth proportional to 18,145,230.30, 27,217,845.45 and 18,019,259.10 is: 27,028,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,230.30 : 27,217,845.45 = 18,019,259.10 : x
  2. Step 2: Convert to fraction form
    18,145,230.30/27,217,845.45 = 18,019,259.10/x
  3. Step 3: Cross multiply
    18,145,230.30x = 27,217,845.45 × 18,019,259.10
  4. Step 4: Simplify right side
    18,145,230.30x = 490,445,409,307,306.12
  5. Step 5: Solve for x
    x = 490,445,409,307,306.12/18,145,230.30
  6. Step 6: Final answer
    x = 27,028,888.65

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Double scale
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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.