Home / 6,645,967.57-9,171,208.51-3,665,789.08

Finding the Fourth Proportional to 6,645,967.57, 9,171,208.51 and 3,665,789.08

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Solution

The fourth proportional to 6,645,967.57, 9,171,208.51 and 3,665,789.08 is: 5,058,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,967.57 : 9,171,208.51 = 3,665,789.08 : x
  2. Step 2: Convert to fraction form
    6,645,967.57/9,171,208.51 = 3,665,789.08/x
  3. Step 3: Cross multiply
    6,645,967.57x = 9,171,208.51 × 3,665,789.08
  4. Step 4: Simplify right side
    6,645,967.57x = 33,619,716,006,361.07
  5. Step 5: Solve for x
    x = 33,619,716,006,361.07/6,645,967.57
  6. Step 6: Final answer
    x = 5,058,663.87

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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.