Home / 20,029,230.57-30,039,642.03-5,648,935.35

Finding the Fourth Proportional to 20,029,230.57, 30,039,642.03 and 5,648,935.35

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Solution

The fourth proportional to 20,029,230.57, 30,039,642.03 and 5,648,935.35 is: 8,472,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,230.57 : 30,039,642.03 = 5,648,935.35 : x
  2. Step 2: Convert to fraction form
    20,029,230.57/30,039,642.03 = 5,648,935.35/x
  3. Step 3: Cross multiply
    20,029,230.57x = 30,039,642.03 × 5,648,935.35
  4. Step 4: Simplify right side
    20,029,230.57x = 169,691,995,764,612.75
  5. Step 5: Solve for x
    x = 169,691,995,764,612.75/20,029,230.57
  6. Step 6: Final answer
    x = 8,472,217.40

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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.