Home / 27,221,200.20-40,831,800.30-20,418,755.40

Finding the Fourth Proportional to 27,221,200.20, 40,831,800.30 and 20,418,755.40

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Solution

The fourth proportional to 27,221,200.20, 40,831,800.30 and 20,418,755.40 is: 30,628,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221,200.20 : 40,831,800.30 = 20,418,755.40 : x
  2. Step 2: Convert to fraction form
    27,221,200.20/40,831,800.30 = 20,418,755.40/x
  3. Step 3: Cross multiply
    27,221,200.20x = 40,831,800.30 × 20,418,755.40
  4. Step 4: Simplify right side
    27,221,200.20x = 833,734,542,867,346.50
  5. Step 5: Solve for x
    x = 833,734,542,867,346.50/27,221,200.20
  6. Step 6: Final answer
    x = 30,628,133.10

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1.5x scale

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.