Home / 18,152,609.40-27,228,914.10-15,913,121.40

Finding the Fourth Proportional to 18,152,609.40, 27,228,914.10 and 15,913,121.40

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Solution

The fourth proportional to 18,152,609.40, 27,228,914.10 and 15,913,121.40 is: 23,869,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,609.40 : 27,228,914.10 = 15,913,121.40 : x
  2. Step 2: Convert to fraction form
    18,152,609.40/27,228,914.10 = 15,913,121.40/x
  3. Step 3: Cross multiply
    18,152,609.40x = 27,228,914.10 × 15,913,121.40
  4. Step 4: Simplify right side
    18,152,609.40x = 433,297,015,663,471.75
  5. Step 5: Solve for x
    x = 433,297,015,663,471.75/18,152,609.40
  6. Step 6: Final answer
    x = 23,869,682.10

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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.