Home / 27,730,777.70-38,269,601.21-15,340,658.13

Finding the Fourth Proportional to 27,730,777.70, 38,269,601.21 and 15,340,658.13

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Solution

The fourth proportional to 27,730,777.70, 38,269,601.21 and 15,340,658.13 is: 21,170,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730,777.70 : 38,269,601.21 = 15,340,658.13 : x
  2. Step 2: Convert to fraction form
    27,730,777.70/38,269,601.21 = 15,340,658.13/x
  3. Step 3: Cross multiply
    27,730,777.70x = 38,269,601.21 × 15,340,658.13
  4. Step 4: Simplify right side
    27,730,777.70x = 587,080,868,972,396
  5. Step 5: Solve for x
    x = 587,080,868,972,396/27,730,777.70
  6. Step 6: Final answer
    x = 21,170,732.22

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1.5x scale

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.