Home / 21,806,100.40-32,673,721.20-18,192,301.60

Finding the Fourth Proportional to 21,806,100.40, 32,673,721.20 and 18,192,301.60

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Solution

The fourth proportional to 21,806,100.40, 32,673,721.20 and 18,192,301.60 is: 27,258,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,100.40 : 32,673,721.20 = 18,192,301.60 : x
  2. Step 2: Convert to fraction form
    21,806,100.40/32,673,721.20 = 18,192,301.60/x
  3. Step 3: Cross multiply
    21,806,100.40x = 32,673,721.20 × 18,192,301.60
  4. Step 4: Simplify right side
    21,806,100.40x = 594,410,190,464,714
  5. Step 5: Solve for x
    x = 594,410,190,464,714/21,806,100.40
  6. Step 6: Final answer
    x = 27,258,894.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.