Home / 20,265,121.38-30,400,831.23-6,805,098.66

Finding the Fourth Proportional to 20,265,121.38, 30,400,831.23 and 6,805,098.66

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Solution

The fourth proportional to 20,265,121.38, 30,400,831.23 and 6,805,098.66 is: 10,208,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265,121.38 : 30,400,831.23 = 6,805,098.66 : x
  2. Step 2: Convert to fraction form
    20,265,121.38/30,400,831.23 = 6,805,098.66/x
  3. Step 3: Cross multiply
    20,265,121.38x = 30,400,831.23 × 6,805,098.66
  4. Step 4: Simplify right side
    20,265,121.38x = 206,880,655,866,159.16
  5. Step 5: Solve for x
    x = 206,880,655,866,159.16/20,265,121.38
  6. Step 6: Final answer
    x = 10,208,705.49

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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.