Home / 20,343,190.28-28,074,000.12-11,176,180.52

Finding the Fourth Proportional to 20,343,190.28, 28,074,000.12 and 11,176,180.52

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Solution

The fourth proportional to 20,343,190.28, 28,074,000.12 and 11,176,180.52 is: 15,423,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,190.28 : 28,074,000.12 = 11,176,180.52 : x
  2. Step 2: Convert to fraction form
    20,343,190.28/28,074,000.12 = 11,176,180.52/x
  3. Step 3: Cross multiply
    20,343,190.28x = 28,074,000.12 × 11,176,180.52
  4. Step 4: Simplify right side
    20,343,190.28x = 313,760,093,259,621.69
  5. Step 5: Solve for x
    x = 313,760,093,259,621.69/20,343,190.28
  6. Step 6: Final answer
    x = 15,423,347.52

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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.