Home / 11,191,939.20-16,787,908.80-10,258,819.20

Finding the Fourth Proportional to 11,191,939.20, 16,787,908.80 and 10,258,819.20

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Solution

The fourth proportional to 11,191,939.20, 16,787,908.80 and 10,258,819.20 is: 15,388,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,939.20 : 16,787,908.80 = 10,258,819.20 : x
  2. Step 2: Convert to fraction form
    11,191,939.20/16,787,908.80 = 10,258,819.20/x
  3. Step 3: Cross multiply
    11,191,939.20x = 16,787,908.80 × 10,258,819.20
  4. Step 4: Simplify right side
    11,191,939.20x = 172,224,121,125,288.97
  5. Step 5: Solve for x
    x = 172,224,121,125,288.97/11,191,939.20
  6. Step 6: Final answer
    x = 15,388,228.80

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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.