Home / 16,678,774.83-23,004,843.84-15,306,549.78

Finding the Fourth Proportional to 16,678,774.83, 23,004,843.84 and 15,306,549.78

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Solution

The fourth proportional to 16,678,774.83, 23,004,843.84 and 15,306,549.78 is: 21,112,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678,774.83 : 23,004,843.84 = 15,306,549.78 : x
  2. Step 2: Convert to fraction form
    16,678,774.83/23,004,843.84 = 15,306,549.78/x
  3. Step 3: Cross multiply
    16,678,774.83x = 23,004,843.84 × 15,306,549.78
  4. Step 4: Simplify right side
    16,678,774.83x = 352,124,787,418,086.31
  5. Step 5: Solve for x
    x = 352,124,787,418,086.31/16,678,774.83
  6. Step 6: Final answer
    x = 21,112,149.48

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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.