Home / 21,907,797.97-30,074,446.56-18,804,934.48

Finding the Fourth Proportional to 21,907,797.97, 30,074,446.56 and 18,804,934.48

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Solution

The fourth proportional to 21,907,797.97, 30,074,446.56 and 18,804,934.48 is: 25,814,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907,797.97 : 30,074,446.56 = 18,804,934.48 : x
  2. Step 2: Convert to fraction form
    21,907,797.97/30,074,446.56 = 18,804,934.48/x
  3. Step 3: Cross multiply
    21,907,797.97x = 30,074,446.56 × 18,804,934.48
  4. Step 4: Simplify right side
    21,907,797.97x = 565,547,996,838,664.50
  5. Step 5: Solve for x
    x = 565,547,996,838,664.50/21,907,797.97
  6. Step 6: Final answer
    x = 25,814,917.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.