Home / 27,191,596.57-37,452,920.38-20,900,091.70

Finding the Fourth Proportional to 27,191,596.57, 37,452,920.38 and 20,900,091.70

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Solution

The fourth proportional to 27,191,596.57, 37,452,920.38 and 20,900,091.70 is: 28,787,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191,596.57 : 37,452,920.38 = 20,900,091.70 : x
  2. Step 2: Convert to fraction form
    27,191,596.57/37,452,920.38 = 20,900,091.70/x
  3. Step 3: Cross multiply
    27,191,596.57x = 37,452,920.38 × 20,900,091.70
  4. Step 4: Simplify right side
    27,191,596.57x = 782,769,470,381,572.75
  5. Step 5: Solve for x
    x = 782,769,470,381,572.75/27,191,596.57
  6. Step 6: Final answer
    x = 28,787,183.14

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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.