Home / 16,458,780.69-22,710,965.49-9,489,719.16

Finding the Fourth Proportional to 16,458,780.69, 22,710,965.49 and 9,489,719.16

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Solution

The fourth proportional to 16,458,780.69, 22,710,965.49 and 9,489,719.16 is: 13,094,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458,780.69 : 22,710,965.49 = 9,489,719.16 : x
  2. Step 2: Convert to fraction form
    16,458,780.69/22,710,965.49 = 9,489,719.16/x
  3. Step 3: Cross multiply
    16,458,780.69x = 22,710,965.49 × 9,489,719.16
  4. Step 4: Simplify right side
    16,458,780.69x = 215,520,684,352,551.78
  5. Step 5: Solve for x
    x = 215,520,684,352,551.78/16,458,780.69
  6. Step 6: Final answer
    x = 13,094,571.73

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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.