Home / 22,381,747.20-33,572,620.80-20,618,150.40

Finding the Fourth Proportional to 22,381,747.20, 33,572,620.80 and 20,618,150.40

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Solution

The fourth proportional to 22,381,747.20, 33,572,620.80 and 20,618,150.40 is: 30,927,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,381,747.20 : 33,572,620.80 = 20,618,150.40 : x
  2. Step 2: Convert to fraction form
    22,381,747.20/33,572,620.80 = 20,618,150.40/x
  3. Step 3: Cross multiply
    22,381,747.20x = 33,572,620.80 × 20,618,150.40
  4. Step 4: Simplify right side
    22,381,747.20x = 692,205,344,976,568.25
  5. Step 5: Solve for x
    x = 692,205,344,976,568.25/22,381,747.20
  6. Step 6: Final answer
    x = 30,927,225.60

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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.