Home / 18,943,296.48-28,422,102.96-11,375,537.76

Finding the Fourth Proportional to 18,943,296.48, 28,422,102.96 and 11,375,537.76

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Solution

The fourth proportional to 18,943,296.48, 28,422,102.96 and 11,375,537.76 is: 17,067,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943,296.48 : 28,422,102.96 = 11,375,537.76 : x
  2. Step 2: Convert to fraction form
    18,943,296.48/28,422,102.96 = 11,375,537.76/x
  3. Step 3: Cross multiply
    18,943,296.48x = 28,422,102.96 × 11,375,537.76
  4. Step 4: Simplify right side
    18,943,296.48x = 323,316,705,440,087.75
  5. Step 5: Solve for x
    x = 323,316,705,440,087.75/18,943,296.48
  6. Step 6: Final answer
    x = 17,067,605.20

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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.