Home / 27,871,981.70-41,807,972.55-20,697,528.20

Finding the Fourth Proportional to 27,871,981.70, 41,807,972.55 and 20,697,528.20

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Solution

The fourth proportional to 27,871,981.70, 41,807,972.55 and 20,697,528.20 is: 31,046,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871,981.70 : 41,807,972.55 = 20,697,528.20 : x
  2. Step 2: Convert to fraction form
    27,871,981.70/41,807,972.55 = 20,697,528.20/x
  3. Step 3: Cross multiply
    27,871,981.70x = 41,807,972.55 × 20,697,528.20
  4. Step 4: Simplify right side
    27,871,981.70x = 865,321,690,838,450.88
  5. Step 5: Solve for x
    x = 865,321,690,838,450.88/27,871,981.70
  6. Step 6: Final answer
    x = 31,046,292.30

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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.