Home / 26,871,817.80-40,221,996.30-21,203,113.80

Finding the Fourth Proportional to 26,871,817.80, 40,221,996.30 and 21,203,113.80

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Solution

The fourth proportional to 26,871,817.80, 40,221,996.30 and 21,203,113.80 is: 31,737,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871,817.80 : 40,221,996.30 = 21,203,113.80 : x
  2. Step 2: Convert to fraction form
    26,871,817.80/40,221,996.30 = 21,203,113.80/x
  3. Step 3: Cross multiply
    26,871,817.80x = 40,221,996.30 × 21,203,113.80
  4. Step 4: Simplify right side
    26,871,817.80x = 852,831,564,812,078.88
  5. Step 5: Solve for x
    x = 852,831,564,812,078.88/26,871,817.80
  6. Step 6: Final answer
    x = 31,737,025.43

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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.