Home / 12,346,235.15-18,515,427.53-11,540,228.18

Finding the Fourth Proportional to 12,346,235.15, 18,515,427.53 and 11,540,228.18

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Solution

The fourth proportional to 12,346,235.15, 18,515,427.53 and 11,540,228.18 is: 17,306,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346,235.15 : 18,515,427.53 = 11,540,228.18 : x
  2. Step 2: Convert to fraction form
    12,346,235.15/18,515,427.53 = 11,540,228.18/x
  3. Step 3: Cross multiply
    12,346,235.15x = 18,515,427.53 × 11,540,228.18
  4. Step 4: Simplify right side
    12,346,235.15x = 213,672,258,396,175.50
  5. Step 5: Solve for x
    x = 213,672,258,396,175.50/12,346,235.15
  6. Step 6: Final answer
    x = 17,306,673.32

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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.