Home / 20,147,008.35-30,220,512.53-17,029,221.15

Finding the Fourth Proportional to 20,147,008.35, 30,220,512.53 and 17,029,221.15

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Solution

The fourth proportional to 20,147,008.35, 30,220,512.53 and 17,029,221.15 is: 25,543,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,008.35 : 30,220,512.53 = 17,029,221.15 : x
  2. Step 2: Convert to fraction form
    20,147,008.35/30,220,512.53 = 17,029,221.15/x
  3. Step 3: Cross multiply
    20,147,008.35x = 30,220,512.53 × 17,029,221.15
  4. Step 4: Simplify right side
    20,147,008.35x = 514,631,791,054,569.81
  5. Step 5: Solve for x
    x = 514,631,791,054,569.81/20,147,008.35
  6. Step 6: Final answer
    x = 25,543,831.73

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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.