Home / 7,876,065.95-11,816,091.51-2,196,290.87

Finding the Fourth Proportional to 7,876,065.95, 11,816,091.51 and 2,196,290.87

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Solution

The fourth proportional to 7,876,065.95, 11,816,091.51 and 2,196,290.87 is: 3,294,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,065.95 : 11,816,091.51 = 2,196,290.87 : x
  2. Step 2: Convert to fraction form
    7,876,065.95/11,816,091.51 = 2,196,290.87/x
  3. Step 3: Cross multiply
    7,876,065.95x = 11,816,091.51 × 2,196,290.87
  4. Step 4: Simplify right side
    7,876,065.95x = 25,951,573,843,417.06
  5. Step 5: Solve for x
    x = 25,951,573,843,417.06/7,876,065.95
  6. Step 6: Final answer
    x = 3,294,991.94

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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.