Home / 12,290,778-16,961,275.13-6,784,154.73

Finding the Fourth Proportional to 12,290,778, 16,961,275.13 and 6,784,154.73

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Solution

The fourth proportional to 12,290,778, 16,961,275.13 and 6,784,154.73 is: 9,362,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,778 : 16,961,275.13 = 6,784,154.73 : x
  2. Step 2: Convert to fraction form
    12,290,778/16,961,275.13 = 6,784,154.73/x
  3. Step 3: Cross multiply
    12,290,778x = 16,961,275.13 × 6,784,154.73
  4. Step 4: Simplify right side
    12,290,778x = 115,067,914,866,100.09
  5. Step 5: Solve for x
    x = 115,067,914,866,100.09/12,290,778
  6. Step 6: Final answer
    x = 9,362,134.35

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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.