Home / 42,557,897.20-63,845,140.20-18,296,777.20

Finding the Fourth Proportional to 42,557,897.20, 63,845,140.20 and 18,296,777.20

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Solution

The fourth proportional to 42,557,897.20, 63,845,140.20 and 18,296,777.20 is: 27,448,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,557,897.20 : 63,845,140.20 = 18,296,777.20 : x
  2. Step 2: Convert to fraction form
    42,557,897.20/63,845,140.20 = 18,296,777.20/x
  3. Step 3: Cross multiply
    42,557,897.20x = 63,845,140.20 × 18,296,777.20
  4. Step 4: Simplify right side
    42,557,897.20x = 1,168,160,305,542,163.50
  5. Step 5: Solve for x
    x = 1,168,160,305,542,163.50/42,557,897.20
  6. Step 6: Final answer
    x = 27,448,731.78

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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.