Home / 15,288,795.23-21,098,523.20-8,413,277.29

Finding the Fourth Proportional to 15,288,795.23, 21,098,523.20 and 8,413,277.29

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Solution

The fourth proportional to 15,288,795.23, 21,098,523.20 and 8,413,277.29 is: 11,610,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288,795.23 : 21,098,523.20 = 8,413,277.29 : x
  2. Step 2: Convert to fraction form
    15,288,795.23/21,098,523.20 = 8,413,277.29/x
  3. Step 3: Cross multiply
    15,288,795.23x = 21,098,523.20 × 8,413,277.29
  4. Step 4: Simplify right side
    15,288,795.23x = 177,507,725,996,285.44
  5. Step 5: Solve for x
    x = 177,507,725,996,285.44/15,288,795.23
  6. Step 6: Final answer
    x = 11,610,314.83

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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.