Home / 8,815,970.20-13,204,026.26-5,228,743.45

Finding the Fourth Proportional to 8,815,970.20, 13,204,026.26 and 5,228,743.45

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Solution

The fourth proportional to 8,815,970.20, 13,204,026.26 and 5,228,743.45 is: 7,831,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,970.20 : 13,204,026.26 = 5,228,743.45 : x
  2. Step 2: Convert to fraction form
    8,815,970.20/13,204,026.26 = 5,228,743.45/x
  3. Step 3: Cross multiply
    8,815,970.20x = 13,204,026.26 × 5,228,743.45
  4. Step 4: Simplify right side
    8,815,970.20x = 69,040,465,820,603
  5. Step 5: Solve for x
    x = 69,040,465,820,603/8,815,970.20
  6. Step 6: Final answer
    x = 7,831,295.28

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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.