Home / 11,821,151.20-17,731,726.80-4,248,882.40

Finding the Fourth Proportional to 11,821,151.20, 17,731,726.80 and 4,248,882.40

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Solution

The fourth proportional to 11,821,151.20, 17,731,726.80 and 4,248,882.40 is: 6,373,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,151.20 : 17,731,726.80 = 4,248,882.40 : x
  2. Step 2: Convert to fraction form
    11,821,151.20/17,731,726.80 = 4,248,882.40/x
  3. Step 3: Cross multiply
    11,821,151.20x = 17,731,726.80 × 4,248,882.40
  4. Step 4: Simplify right side
    11,821,151.20x = 75,340,021,922,128.33
  5. Step 5: Solve for x
    x = 75,340,021,922,128.33/11,821,151.20
  6. Step 6: Final answer
    x = 6,373,323.60

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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.