Home / 15,182,844.48-20,952,279.12-8,213,519.84

Finding the Fourth Proportional to 15,182,844.48, 20,952,279.12 and 8,213,519.84

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Solution

The fourth proportional to 15,182,844.48, 20,952,279.12 and 8,213,519.84 is: 11,334,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182,844.48 : 20,952,279.12 = 8,213,519.84 : x
  2. Step 2: Convert to fraction form
    15,182,844.48/20,952,279.12 = 8,213,519.84/x
  3. Step 3: Cross multiply
    15,182,844.48x = 20,952,279.12 × 8,213,519.84
  4. Step 4: Simplify right side
    15,182,844.48x = 172,091,960,245,337.75
  5. Step 5: Solve for x
    x = 172,091,960,245,337.75/15,182,844.48
  6. Step 6: Final answer
    x = 11,334,632.35

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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.