Home / 15,062,528.16-20,786,500.80-8,187,010.56

Finding the Fourth Proportional to 15,062,528.16, 20,786,500.80 and 8,187,010.56

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Solution

The fourth proportional to 15,062,528.16, 20,786,500.80 and 8,187,010.56 is: 11,298,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062,528.16 : 20,786,500.80 = 8,187,010.56 : x
  2. Step 2: Convert to fraction form
    15,062,528.16/20,786,500.80 = 8,187,010.56/x
  3. Step 3: Cross multiply
    15,062,528.16x = 20,786,500.80 × 8,187,010.56
  4. Step 4: Simplify right side
    15,062,528.16x = 170,179,301,555,048.44
  5. Step 5: Solve for x
    x = 170,179,301,555,048.44/15,062,528.16
  6. Step 6: Final answer
    x = 11,298,189.77

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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.