Home / 18,146,065.60-27,219,098.40-17,720,912.80

Finding the Fourth Proportional to 18,146,065.60, 27,219,098.40 and 17,720,912.80

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Solution

The fourth proportional to 18,146,065.60, 27,219,098.40 and 17,720,912.80 is: 26,581,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,065.60 : 27,219,098.40 = 17,720,912.80 : x
  2. Step 2: Convert to fraction form
    18,146,065.60/27,219,098.40 = 17,720,912.80/x
  3. Step 3: Cross multiply
    18,146,065.60x = 27,219,098.40 × 17,720,912.80
  4. Step 4: Simplify right side
    18,146,065.60x = 482,347,269,241,019.50
  5. Step 5: Solve for x
    x = 482,347,269,241,019.50/18,146,065.60
  6. Step 6: Final answer
    x = 26,581,369.20

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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.