Home / 18,869,897.97-25,976,197.13-13,965,878.52

Finding the Fourth Proportional to 18,869,897.97, 25,976,197.13 and 13,965,878.52

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Solution

The fourth proportional to 18,869,897.97, 25,976,197.13 and 13,965,878.52 is: 19,225,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869,897.97 : 25,976,197.13 = 13,965,878.52 : x
  2. Step 2: Convert to fraction form
    18,869,897.97/25,976,197.13 = 13,965,878.52/x
  3. Step 3: Cross multiply
    18,869,897.97x = 25,976,197.13 × 13,965,878.52
  4. Step 4: Simplify right side
    18,869,897.97x = 362,780,413,459,323.25
  5. Step 5: Solve for x
    x = 362,780,413,459,323.25/18,869,897.97
  6. Step 6: Final answer
    x = 19,225,351.09

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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.