Home / 15,289,269.37-21,099,195.16-8,413,751.43

Finding the Fourth Proportional to 15,289,269.37, 21,099,195.16 and 8,413,751.43

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Solution

The fourth proportional to 15,289,269.37, 21,099,195.16 and 8,413,751.43 is: 11,610,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,269.37 : 21,099,195.16 = 8,413,751.43 : x
  2. Step 2: Convert to fraction form
    15,289,269.37/21,099,195.16 = 8,413,751.43/x
  3. Step 3: Cross multiply
    15,289,269.37x = 21,099,195.16 × 8,413,751.43
  4. Step 4: Simplify right side
    15,289,269.37x = 177,523,383,428,264.69
  5. Step 5: Solve for x
    x = 177,523,383,428,264.69/15,289,269.37
  6. Step 6: Final answer
    x = 11,610,978.86

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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.