Home / 7,876,202.13-11,816,295.80-2,196,427.05

Finding the Fourth Proportional to 7,876,202.13, 11,816,295.80 and 2,196,427.05

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Solution

The fourth proportional to 7,876,202.13, 11,816,295.80 and 2,196,427.05 is: 3,295,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,202.13 : 11,816,295.80 = 2,196,427.05 : x
  2. Step 2: Convert to fraction form
    7,876,202.13/11,816,295.80 = 2,196,427.05/x
  3. Step 3: Cross multiply
    7,876,202.13x = 11,816,295.80 × 2,196,427.05
  4. Step 4: Simplify right side
    7,876,202.13x = 25,953,631,725,921.39
  5. Step 5: Solve for x
    x = 25,953,631,725,921.39/7,876,202.13
  6. Step 6: Final answer
    x = 3,295,196.25

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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.