Home / 20,965,540.14-28,932,386.13-11,798,182.80

Finding the Fourth Proportional to 20,965,540.14, 28,932,386.13 and 11,798,182.80

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Solution

The fourth proportional to 20,965,540.14, 28,932,386.13 and 11,798,182.80 is: 16,281,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,965,540.14 : 28,932,386.13 = 11,798,182.80 : x
  2. Step 2: Convert to fraction form
    20,965,540.14/28,932,386.13 = 11,798,182.80/x
  3. Step 3: Cross multiply
    20,965,540.14x = 28,932,386.13 × 11,798,182.80
  4. Step 4: Simplify right side
    20,965,540.14x = 341,349,580,401,924.56
  5. Step 5: Solve for x
    x = 341,349,580,401,924.56/20,965,540.14
  6. Step 6: Final answer
    x = 16,281,458.91

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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.