Home / 19,079,775.25-28,616,010.48-7,408,145.59

Finding the Fourth Proportional to 19,079,775.25, 28,616,010.48 and 7,408,145.59

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Solution

The fourth proportional to 19,079,775.25, 28,616,010.48 and 7,408,145.59 is: 11,110,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,775.25 : 28,616,010.48 = 7,408,145.59 : x
  2. Step 2: Convert to fraction form
    19,079,775.25/28,616,010.48 = 7,408,145.59/x
  3. Step 3: Cross multiply
    19,079,775.25x = 28,616,010.48 × 7,408,145.59
  4. Step 4: Simplify right side
    19,079,775.25x = 211,991,571,769,265.78
  5. Step 5: Solve for x
    x = 211,991,571,769,265.78/19,079,775.25
  6. Step 6: Final answer
    x = 11,110,800.26

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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.