Home / 39,198,655.43-58,805,831.70-21,951,383.61

Finding the Fourth Proportional to 39,198,655.43, 58,805,831.70 and 21,951,383.61

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Solution

The fourth proportional to 39,198,655.43, 58,805,831.70 and 21,951,383.61 is: 32,931,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198,655.43 : 58,805,831.70 = 21,951,383.61 : x
  2. Step 2: Convert to fraction form
    39,198,655.43/58,805,831.70 = 21,951,383.61/x
  3. Step 3: Cross multiply
    39,198,655.43x = 58,805,831.70 × 21,951,383.61
  4. Step 4: Simplify right side
    39,198,655.43x = 1,290,869,370,151,798.50
  5. Step 5: Solve for x
    x = 1,290,869,370,151,798.50/39,198,655.43
  6. Step 6: Final answer
    x = 32,931,470.64

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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.