Home / 36,088,687.44-49,805,028.16-20,618,439.92

Finding the Fourth Proportional to 36,088,687.44, 49,805,028.16 and 20,618,439.92

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Solution

The fourth proportional to 36,088,687.44, 49,805,028.16 and 20,618,439.92 is: 28,454,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,088,687.44 : 49,805,028.16 = 20,618,439.92 : x
  2. Step 2: Convert to fraction form
    36,088,687.44/49,805,028.16 = 20,618,439.92/x
  3. Step 3: Cross multiply
    36,088,687.44x = 49,805,028.16 × 20,618,439.92
  4. Step 4: Simplify right side
    36,088,687.44x = 1,026,901,980,830,868.12
  5. Step 5: Solve for x
    x = 1,026,901,980,830,868.12/36,088,687.44
  6. Step 6: Final answer
    x = 28,454,955.10

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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.