Home / 40,128,391.04-55,380,594.85-22,727,831.72

Finding the Fourth Proportional to 40,128,391.04, 55,380,594.85 and 22,727,831.72

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Solution

The fourth proportional to 40,128,391.04, 55,380,594.85 and 22,727,831.72 is: 31,366,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,391.04 : 55,380,594.85 = 22,727,831.72 : x
  2. Step 2: Convert to fraction form
    40,128,391.04/55,380,594.85 = 22,727,831.72/x
  3. Step 3: Cross multiply
    40,128,391.04x = 55,380,594.85 × 22,727,831.72
  4. Step 4: Simplify right side
    40,128,391.04x = 1,258,680,839,970,576
  5. Step 5: Solve for x
    x = 1,258,680,839,970,576/40,128,391.04
  6. Step 6: Final answer
    x = 31,366,342.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.