Home / 20,150,155.90-27,806,906.57-11,329,614.93

Finding the Fourth Proportional to 20,150,155.90, 27,806,906.57 and 11,329,614.93

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Solution

The fourth proportional to 20,150,155.90, 27,806,906.57 and 11,329,614.93 is: 15,634,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150,155.90 : 27,806,906.57 = 11,329,614.93 : x
  2. Step 2: Convert to fraction form
    20,150,155.90/27,806,906.57 = 11,329,614.93/x
  3. Step 3: Cross multiply
    20,150,155.90x = 27,806,906.57 × 11,329,614.93
  4. Step 4: Simplify right side
    20,150,155.90x = 315,041,543,775,939
  5. Step 5: Solve for x
    x = 315,041,543,775,939/20,150,155.90
  6. Step 6: Final answer
    x = 15,634,695.11

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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.