Home / 6,653,400.82-9,179,437.89-5,427,587.32

Finding the Fourth Proportional to 6,653,400.82, 9,179,437.89 and 5,427,587.32

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Solution

The fourth proportional to 6,653,400.82, 9,179,437.89 and 5,427,587.32 is: 7,488,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653,400.82 : 9,179,437.89 = 5,427,587.32 : x
  2. Step 2: Convert to fraction form
    6,653,400.82/9,179,437.89 = 5,427,587.32/x
  3. Step 3: Cross multiply
    6,653,400.82x = 9,179,437.89 × 5,427,587.32
  4. Step 4: Simplify right side
    6,653,400.82x = 49,822,200,693,896.41
  5. Step 5: Solve for x
    x = 49,822,200,693,896.41/6,653,400.82
  6. Step 6: Final answer
    x = 7,488,230.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.