Home / 8,766,097.20-13,149,145.80-7,171,774.20

Finding the Fourth Proportional to 8,766,097.20, 13,149,145.80 and 7,171,774.20

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Solution

The fourth proportional to 8,766,097.20, 13,149,145.80 and 7,171,774.20 is: 10,757,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,097.20 : 13,149,145.80 = 7,171,774.20 : x
  2. Step 2: Convert to fraction form
    8,766,097.20/13,149,145.80 = 7,171,774.20/x
  3. Step 3: Cross multiply
    8,766,097.20x = 13,149,145.80 × 7,171,774.20
  4. Step 4: Simplify right side
    8,766,097.20x = 94,302,704,600,478.38
  5. Step 5: Solve for x
    x = 94,302,704,600,478.38/8,766,097.20
  6. Step 6: Final answer
    x = 10,757,661.30

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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.