Home / 11,510,339.90-15,880,496.72-8,203,155.08

Finding the Fourth Proportional to 11,510,339.90, 15,880,496.72 and 8,203,155.08

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Solution

The fourth proportional to 11,510,339.90, 15,880,496.72 and 8,203,155.08 is: 11,317,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510,339.90 : 15,880,496.72 = 8,203,155.08 : x
  2. Step 2: Convert to fraction form
    11,510,339.90/15,880,496.72 = 8,203,155.08/x
  3. Step 3: Cross multiply
    11,510,339.90x = 15,880,496.72 × 8,203,155.08
  4. Step 4: Simplify right side
    11,510,339.90x = 130,270,177,221,173.08
  5. Step 5: Solve for x
    x = 130,270,177,221,173.08/11,510,339.90
  6. Step 6: Final answer
    x = 11,317,665.54

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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.