Home / 40,073,632.20-55,301,718.77-21,738,917.70

Finding the Fourth Proportional to 40,073,632.20, 55,301,718.77 and 21,738,917.70

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Solution

The fourth proportional to 40,073,632.20, 55,301,718.77 and 21,738,917.70 is: 29,999,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,632.20 : 55,301,718.77 = 21,738,917.70 : x
  2. Step 2: Convert to fraction form
    40,073,632.20/55,301,718.77 = 21,738,917.70/x
  3. Step 3: Cross multiply
    40,073,632.20x = 55,301,718.77 × 21,738,917.70
  4. Step 4: Simplify right side
    40,073,632.20x = 1,202,199,512,982,401.50
  5. Step 5: Solve for x
    x = 1,202,199,512,982,401.50/40,073,632.20
  6. Step 6: Final answer
    x = 29,999,764.11

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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.