Home / 15,287,387.10-21,095,961.68-8,318,093.33

Finding the Fourth Proportional to 15,287,387.10, 21,095,961.68 and 8,318,093.33

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Solution

The fourth proportional to 15,287,387.10, 21,095,961.68 and 8,318,093.33 is: 11,478,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,387.10 : 21,095,961.68 = 8,318,093.33 : x
  2. Step 2: Convert to fraction form
    15,287,387.10/21,095,961.68 = 8,318,093.33/x
  3. Step 3: Cross multiply
    15,287,387.10x = 21,095,961.68 × 8,318,093.33
  4. Step 4: Simplify right side
    15,287,387.10x = 175,478,177,993,273.34
  5. Step 5: Solve for x
    x = 175,478,177,993,273.34/15,287,387.10
  6. Step 6: Final answer
    x = 11,478,624.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.