Home / 21,053,793.54-29,052,613.53-11,887,341.06

Finding the Fourth Proportional to 21,053,793.54, 29,052,613.53 and 11,887,341.06

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Solution

The fourth proportional to 21,053,793.54, 29,052,613.53 and 11,887,341.06 is: 16,403,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053,793.54 : 29,052,613.53 = 11,887,341.06 : x
  2. Step 2: Convert to fraction form
    21,053,793.54/29,052,613.53 = 11,887,341.06/x
  3. Step 3: Cross multiply
    21,053,793.54x = 29,052,613.53 × 11,887,341.06
  4. Step 4: Simplify right side
    21,053,793.54x = 345,358,325,715,480.56
  5. Step 5: Solve for x
    x = 345,358,325,715,480.56/21,053,793.54
  6. Step 6: Final answer
    x = 16,403,615.10

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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.