Home / 8,185,791.60-12,255,067.80-7,241,007.60

Finding the Fourth Proportional to 8,185,791.60, 12,255,067.80 and 7,241,007.60

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Solution

The fourth proportional to 8,185,791.60, 12,255,067.80 and 7,241,007.60 is: 10,840,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185,791.60 : 12,255,067.80 = 7,241,007.60 : x
  2. Step 2: Convert to fraction form
    8,185,791.60/12,255,067.80 = 7,241,007.60/x
  3. Step 3: Cross multiply
    8,185,791.60x = 12,255,067.80 × 7,241,007.60
  4. Step 4: Simplify right side
    8,185,791.60x = 88,739,039,078,315.28
  5. Step 5: Solve for x
    x = 88,739,039,078,315.28/8,185,791.60
  6. Step 6: Final answer
    x = 10,840,617.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.