Home / 20,140,082.76-27,792,348.30-11,437,105.80

Finding the Fourth Proportional to 20,140,082.76, 27,792,348.30 and 11,437,105.80

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Solution

The fourth proportional to 20,140,082.76, 27,792,348.30 and 11,437,105.80 is: 15,782,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,082.76 : 27,792,348.30 = 11,437,105.80 : x
  2. Step 2: Convert to fraction form
    20,140,082.76/27,792,348.30 = 11,437,105.80/x
  3. Step 3: Cross multiply
    20,140,082.76x = 27,792,348.30 × 11,437,105.80
  4. Step 4: Simplify right side
    20,140,082.76x = 317,864,027,937,550.19
  5. Step 5: Solve for x
    x = 317,864,027,937,550.19/20,140,082.76
  6. Step 6: Final answer
    x = 15,782,657.49

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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.