Home / 40,128,259.95-55,380,414.06-22,727,700.63

Finding the Fourth Proportional to 40,128,259.95, 55,380,414.06 and 22,727,700.63

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Solution

The fourth proportional to 40,128,259.95, 55,380,414.06 and 22,727,700.63 is: 31,366,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,259.95 : 55,380,414.06 = 22,727,700.63 : x
  2. Step 2: Convert to fraction form
    40,128,259.95/55,380,414.06 = 22,727,700.63/x
  3. Step 3: Cross multiply
    40,128,259.95x = 55,380,414.06 × 22,727,700.63
  4. Step 4: Simplify right side
    40,128,259.95x = 1,258,669,471,521,122.75
  5. Step 5: Solve for x
    x = 1,258,669,471,521,122.75/40,128,259.95
  6. Step 6: Final answer
    x = 31,366,161.23

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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.