Home / 12,974,101.97-17,904,634.47-7,173,258.21

Finding the Fourth Proportional to 12,974,101.97, 17,904,634.47 and 7,173,258.21

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Solution

The fourth proportional to 12,974,101.97, 17,904,634.47 and 7,173,258.21 is: 9,899,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,101.97 : 17,904,634.47 = 7,173,258.21 : x
  2. Step 2: Convert to fraction form
    12,974,101.97/17,904,634.47 = 7,173,258.21/x
  3. Step 3: Cross multiply
    12,974,101.97x = 17,904,634.47 × 7,173,258.21
  4. Step 4: Simplify right side
    12,974,101.97x = 128,434,566,208,976.48
  5. Step 5: Solve for x
    x = 128,434,566,208,976.48/12,974,101.97
  6. Step 6: Final answer
    x = 9,899,302.98

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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.