Home / 15,058,216.72-20,780,646.68-8,183,141.65

Finding the Fourth Proportional to 15,058,216.72, 20,780,646.68 and 8,183,141.65

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Solution

The fourth proportional to 15,058,216.72, 20,780,646.68 and 8,183,141.65 is: 11,292,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058,216.72 : 20,780,646.68 = 8,183,141.65 : x
  2. Step 2: Convert to fraction form
    15,058,216.72/20,780,646.68 = 8,183,141.65/x
  3. Step 3: Cross multiply
    15,058,216.72x = 20,780,646.68 × 8,183,141.65
  4. Step 4: Simplify right side
    15,058,216.72x = 170,050,975,407,475.91
  5. Step 5: Solve for x
    x = 170,050,975,407,475.91/15,058,216.72
  6. Step 6: Final answer
    x = 11,292,902.64

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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.