Home / 18,255,455.58-25,192,534.82-9,996,040.28

Finding the Fourth Proportional to 18,255,455.58, 25,192,534.82 and 9,996,040.28

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Solution

The fourth proportional to 18,255,455.58, 25,192,534.82 and 9,996,040.28 is: 13,794,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255,455.58 : 25,192,534.82 = 9,996,040.28 : x
  2. Step 2: Convert to fraction form
    18,255,455.58/25,192,534.82 = 9,996,040.28/x
  3. Step 3: Cross multiply
    18,255,455.58x = 25,192,534.82 × 9,996,040.28
  4. Step 4: Simplify right side
    18,255,455.58x = 251,825,592,816,022.53
  5. Step 5: Solve for x
    x = 251,825,592,816,022.53/18,255,455.58
  6. Step 6: Final answer
    x = 13,794,538.94

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1.5x scale

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.