Home / 25,231,415.68-34,819,348.26-13,628,979.28

Finding the Fourth Proportional to 25,231,415.68, 34,819,348.26 and 13,628,979.28

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Solution

The fourth proportional to 25,231,415.68, 34,819,348.26 and 13,628,979.28 is: 18,807,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231,415.68 : 34,819,348.26 = 13,628,979.28 : x
  2. Step 2: Convert to fraction form
    25,231,415.68/34,819,348.26 = 13,628,979.28/x
  3. Step 3: Cross multiply
    25,231,415.68x = 34,819,348.26 × 13,628,979.28
  4. Step 4: Simplify right side
    25,231,415.68x = 474,552,175,978,644
  5. Step 5: Solve for x
    x = 474,552,175,978,644/25,231,415.68
  6. Step 6: Final answer
    x = 18,807,988.50

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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.