Home / 11,028,830.60-15,215,611.38-6,840,578.18

Finding the Fourth Proportional to 11,028,830.60, 15,215,611.38 and 6,840,578.18

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Solution

The fourth proportional to 11,028,830.60, 15,215,611.38 and 6,840,578.18 is: 9,437,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,830.60 : 15,215,611.38 = 6,840,578.18 : x
  2. Step 2: Convert to fraction form
    11,028,830.60/15,215,611.38 = 6,840,578.18/x
  3. Step 3: Cross multiply
    11,028,830.60x = 15,215,611.38 × 6,840,578.18
  4. Step 4: Simplify right side
    11,028,830.60x = 104,083,579,201,387.69
  5. Step 5: Solve for x
    x = 104,083,579,201,387.69/11,028,830.60
  6. Step 6: Final answer
    x = 9,437,408.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.