Home / 6,661,152.15-9,992,091.58-2,111,871.92

Finding the Fourth Proportional to 6,661,152.15, 9,992,091.58 and 2,111,871.92

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Solution

The fourth proportional to 6,661,152.15, 9,992,091.58 and 2,111,871.92 is: 3,167,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,152.15 : 9,992,091.58 = 2,111,871.92 : x
  2. Step 2: Convert to fraction form
    6,661,152.15/9,992,091.58 = 2,111,871.92/x
  3. Step 3: Cross multiply
    6,661,152.15x = 9,992,091.58 × 2,111,871.92
  4. Step 4: Simplify right side
    6,661,152.15x = 21,102,017,608,672.70
  5. Step 5: Solve for x
    x = 21,102,017,608,672.70/6,661,152.15
  6. Step 6: Final answer
    x = 3,167,923.08

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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.