Home / 8,796,869.20-13,195,303.80-5,200,785.10

Finding the Fourth Proportional to 8,796,869.20, 13,195,303.80 and 5,200,785.10

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Solution

The fourth proportional to 8,796,869.20, 13,195,303.80 and 5,200,785.10 is: 7,801,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,869.20 : 13,195,303.80 = 5,200,785.10 : x
  2. Step 2: Convert to fraction form
    8,796,869.20/13,195,303.80 = 5,200,785.10/x
  3. Step 3: Cross multiply
    8,796,869.20x = 13,195,303.80 × 5,200,785.10
  4. Step 4: Simplify right side
    8,796,869.20x = 68,625,939,393,013.38
  5. Step 5: Solve for x
    x = 68,625,939,393,013.38/8,796,869.20
  6. Step 6: Final answer
    x = 7,801,177.65

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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.