Home / 40,073,732.32-55,301,857.02-21,739,017.82

Finding the Fourth Proportional to 40,073,732.32, 55,301,857.02 and 21,739,017.82

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Solution

The fourth proportional to 40,073,732.32, 55,301,857.02 and 21,739,017.82 is: 29,999,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,732.32 : 55,301,857.02 = 21,739,017.82 : x
  2. Step 2: Convert to fraction form
    40,073,732.32/55,301,857.02 = 21,739,017.82/x
  3. Step 3: Cross multiply
    40,073,732.32x = 55,301,857.02 × 21,739,017.82
  4. Step 4: Simplify right side
    40,073,732.32x = 1,202,208,055,236,872.25
  5. Step 5: Solve for x
    x = 1,202,208,055,236,872.25/40,073,732.32
  6. Step 6: Final answer
    x = 29,999,902.32

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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.