Home / 15,325,033.77-21,149,440.07-8,798,675.85

Finding the Fourth Proportional to 15,325,033.77, 21,149,440.07 and 8,798,675.85

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Solution

The fourth proportional to 15,325,033.77, 21,149,440.07 and 8,798,675.85 is: 12,142,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325,033.77 : 21,149,440.07 = 8,798,675.85 : x
  2. Step 2: Convert to fraction form
    15,325,033.77/21,149,440.07 = 8,798,675.85/x
  3. Step 3: Cross multiply
    15,325,033.77x = 21,149,440.07 × 8,798,675.85
  4. Step 4: Simplify right side
    15,325,033.77x = 186,087,067,540,937.94
  5. Step 5: Solve for x
    x = 186,087,067,540,937.94/15,325,033.77
  6. Step 6: Final answer
    x = 12,142,685.64

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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.