Home / 19,324,820.80-29,043,218.40-18,988,897.60

Finding the Fourth Proportional to 19,324,820.80, 29,043,218.40 and 18,988,897.60

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Solution

The fourth proportional to 19,324,820.80, 29,043,218.40 and 18,988,897.60 is: 28,538,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324,820.80 : 29,043,218.40 = 18,988,897.60 : x
  2. Step 2: Convert to fraction form
    19,324,820.80/29,043,218.40 = 18,988,897.60/x
  3. Step 3: Cross multiply
    19,324,820.80x = 29,043,218.40 × 18,988,897.60
  4. Step 4: Simplify right side
    19,324,820.80x = 551,498,700,172,035.88
  5. Step 5: Solve for x
    x = 551,498,700,172,035.88/19,324,820.80
  6. Step 6: Final answer
    x = 28,538,360.37

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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.