Home / 15,289,293.31-21,098,951.89-8,319,733.16

Finding the Fourth Proportional to 15,289,293.31, 21,098,951.89 and 8,319,733.16

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Solution

The fourth proportional to 15,289,293.31, 21,098,951.89 and 8,319,733.16 is: 11,481,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,293.31 : 21,098,951.89 = 8,319,733.16 : x
  2. Step 2: Convert to fraction form
    15,289,293.31/21,098,951.89 = 8,319,733.16/x
  3. Step 3: Cross multiply
    15,289,293.31x = 21,098,951.89 × 8,319,733.16
  4. Step 4: Simplify right side
    15,289,293.31x = 175,537,649,554,183.59
  5. Step 5: Solve for x
    x = 175,537,649,554,183.59/15,289,293.31
  6. Step 6: Final answer
    x = 11,481,083.27

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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.