Home / 10,368,821.70-15,553,232.55-8,857,167.30

Finding the Fourth Proportional to 10,368,821.70, 15,553,232.55 and 8,857,167.30

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Solution

The fourth proportional to 10,368,821.70, 15,553,232.55 and 8,857,167.30 is: 13,285,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,821.70 : 15,553,232.55 = 8,857,167.30 : x
  2. Step 2: Convert to fraction form
    10,368,821.70/15,553,232.55 = 8,857,167.30/x
  3. Step 3: Cross multiply
    10,368,821.70x = 15,553,232.55 × 8,857,167.30
  4. Step 4: Simplify right side
    10,368,821.70x = 137,757,582,751,155.64
  5. Step 5: Solve for x
    x = 137,757,582,751,155.64/10,368,821.70
  6. Step 6: Final answer
    x = 13,285,750.95

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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.