Home / 39,251,219.70-54,166,685.66-21,847,191.28

Finding the Fourth Proportional to 39,251,219.70, 54,166,685.66 and 21,847,191.28

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Solution

The fourth proportional to 39,251,219.70, 54,166,685.66 and 21,847,191.28 is: 30,149,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251,219.70 : 54,166,685.66 = 21,847,191.28 : x
  2. Step 2: Convert to fraction form
    39,251,219.70/54,166,685.66 = 21,847,191.28/x
  3. Step 3: Cross multiply
    39,251,219.70x = 54,166,685.66 × 21,847,191.28
  4. Step 4: Simplify right side
    39,251,219.70x = 1,183,389,942,617,653
  5. Step 5: Solve for x
    x = 1,183,389,942,617,653/39,251,219.70
  6. Step 6: Final answer
    x = 30,149,125.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.