Home / 27,871,982.20-41,807,973.30-20,697,528.70

Finding the Fourth Proportional to 27,871,982.20, 41,807,973.30 and 20,697,528.70

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Solution

The fourth proportional to 27,871,982.20, 41,807,973.30 and 20,697,528.70 is: 31,046,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871,982.20 : 41,807,973.30 = 20,697,528.70 : x
  2. Step 2: Convert to fraction form
    27,871,982.20/41,807,973.30 = 20,697,528.70/x
  3. Step 3: Cross multiply
    27,871,982.20x = 41,807,973.30 × 20,697,528.70
  4. Step 4: Simplify right side
    27,871,982.20x = 865,321,727,265,583.62
  5. Step 5: Solve for x
    x = 865,321,727,265,583.62/27,871,982.20
  6. Step 6: Final answer
    x = 31,046,293.05

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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.