Home / 15,036,389.49-20,750,226.66-8,160,871.56

Finding the Fourth Proportional to 15,036,389.49, 20,750,226.66 and 8,160,871.56

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Solution

The fourth proportional to 15,036,389.49, 20,750,226.66 and 8,160,871.56 is: 11,262,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,389.49 : 20,750,226.66 = 8,160,871.56 : x
  2. Step 2: Convert to fraction form
    15,036,389.49/20,750,226.66 = 8,160,871.56/x
  3. Step 3: Cross multiply
    15,036,389.49x = 20,750,226.66 × 8,160,871.56
  4. Step 4: Simplify right side
    15,036,389.49x = 169,339,934,613,147.78
  5. Step 5: Solve for x
    x = 169,339,934,613,147.78/15,036,389.49
  6. Step 6: Final answer
    x = 11,262,007.73

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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.