Home / 31,694,931.36-47,474,066.28-21,403,198.10

Finding the Fourth Proportional to 31,694,931.36, 47,474,066.28 and 21,403,198.10

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Solution

The fourth proportional to 31,694,931.36, 47,474,066.28 and 21,403,198.10 is: 32,058,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694,931.36 : 47,474,066.28 = 21,403,198.10 : x
  2. Step 2: Convert to fraction form
    31,694,931.36/47,474,066.28 = 21,403,198.10/x
  3. Step 3: Cross multiply
    31,694,931.36x = 47,474,066.28 × 21,403,198.10
  4. Step 4: Simplify right side
    31,694,931.36x = 1,016,096,844,965,999.75
  5. Step 5: Solve for x
    x = 1,016,096,844,965,999.75/31,694,931.36
  6. Step 6: Final answer
    x = 32,058,654.22

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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.