Home / 18,386,997.60-27,580,496.40-15,552,645.60

Finding the Fourth Proportional to 18,386,997.60, 27,580,496.40 and 15,552,645.60

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Solution

The fourth proportional to 18,386,997.60, 27,580,496.40 and 15,552,645.60 is: 23,328,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,997.60 : 27,580,496.40 = 15,552,645.60 : x
  2. Step 2: Convert to fraction form
    18,386,997.60/27,580,496.40 = 15,552,645.60/x
  3. Step 3: Cross multiply
    18,386,997.60x = 27,580,496.40 × 15,552,645.60
  4. Step 4: Simplify right side
    18,386,997.60x = 428,949,685,981,275.81
  5. Step 5: Solve for x
    x = 428,949,685,981,275.81/18,386,997.60
  6. Step 6: Final answer
    x = 23,328,968.40

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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.