Home / 21,127,727.38-31,854,527.92-20,996,573.08

Finding the Fourth Proportional to 21,127,727.38, 31,854,527.92 and 20,996,573.08

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Solution

The fourth proportional to 21,127,727.38, 31,854,527.92 and 20,996,573.08 is: 31,656,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127,727.38 : 31,854,527.92 = 20,996,573.08 : x
  2. Step 2: Convert to fraction form
    21,127,727.38/31,854,527.92 = 20,996,573.08/x
  3. Step 3: Cross multiply
    21,127,727.38x = 31,854,527.92 × 20,996,573.08
  4. Step 4: Simplify right side
    21,127,727.38x = 668,835,923,401,180.38
  5. Step 5: Solve for x
    x = 668,835,923,401,180.38/21,127,727.38
  6. Step 6: Final answer
    x = 31,656,785.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.