Home / 18,043,918.20-27,001,220.97-15,623,419.50

Finding the Fourth Proportional to 18,043,918.20, 27,001,220.97 and 15,623,419.50

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Solution

The fourth proportional to 18,043,918.20, 27,001,220.97 and 15,623,419.50 is: 23,379,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043,918.20 : 27,001,220.97 = 15,623,419.50 : x
  2. Step 2: Convert to fraction form
    18,043,918.20/27,001,220.97 = 15,623,419.50/x
  3. Step 3: Cross multiply
    18,043,918.20x = 27,001,220.97 × 15,623,419.50
  4. Step 4: Simplify right side
    18,043,918.20x = 421,851,402,226,506.88
  5. Step 5: Solve for x
    x = 421,851,402,226,506.88/18,043,918.20
  6. Step 6: Final answer
    x = 23,379,146.23

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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.