Home / 26,871,843.80-40,222,035.30-21,203,139.80

Finding the Fourth Proportional to 26,871,843.80, 40,222,035.30 and 21,203,139.80

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Solution

The fourth proportional to 26,871,843.80, 40,222,035.30 and 21,203,139.80 is: 31,737,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871,843.80 : 40,222,035.30 = 21,203,139.80 : x
  2. Step 2: Convert to fraction form
    26,871,843.80/40,222,035.30 = 21,203,139.80/x
  3. Step 3: Cross multiply
    26,871,843.80x = 40,222,035.30 × 21,203,139.80
  4. Step 4: Simplify right side
    26,871,843.80x = 852,833,437,506,434.88
  5. Step 5: Solve for x
    x = 852,833,437,506,434.88/26,871,843.80
  6. Step 6: Final answer
    x = 31,737,064.41

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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.