Home / 9,122,858.76-12,522,484.16-8,067,237.60

Finding the Fourth Proportional to 9,122,858.76, 12,522,484.16 and 8,067,237.60

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Solution

The fourth proportional to 9,122,858.76, 12,522,484.16 and 8,067,237.60 is: 11,073,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122,858.76 : 12,522,484.16 = 8,067,237.60 : x
  2. Step 2: Convert to fraction form
    9,122,858.76/12,522,484.16 = 8,067,237.60/x
  3. Step 3: Cross multiply
    9,122,858.76x = 12,522,484.16 × 8,067,237.60
  4. Step 4: Simplify right side
    9,122,858.76x = 101,021,855,060,956.41
  5. Step 5: Solve for x
    x = 101,021,855,060,956.41/9,122,858.76
  6. Step 6: Final answer
    x = 11,073,486.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.