Home / 15,696,366.94-21,662,780.23-8,727,739.30

Finding the Fourth Proportional to 15,696,366.94, 21,662,780.23 and 8,727,739.30

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Solution

The fourth proportional to 15,696,366.94, 21,662,780.23 and 8,727,739.30 is: 12,045,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,366.94 : 21,662,780.23 = 8,727,739.30 : x
  2. Step 2: Convert to fraction form
    15,696,366.94/21,662,780.23 = 8,727,739.30/x
  3. Step 3: Cross multiply
    15,696,366.94x = 21,662,780.23 × 8,727,739.30
  4. Step 4: Simplify right side
    15,696,366.94x = 189,067,098,360,634.06
  5. Step 5: Solve for x
    x = 189,067,098,360,634.06/15,696,366.94
  6. Step 6: Final answer
    x = 12,045,277.68

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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.