Home / 15,616,813.37-21,573,650.97-12,472,949.21

Finding the Fourth Proportional to 15,616,813.37, 21,573,650.97 and 12,472,949.21

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Solution

The fourth proportional to 15,616,813.37, 21,573,650.97 and 12,472,949.21 is: 17,230,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616,813.37 : 21,573,650.97 = 12,472,949.21 : x
  2. Step 2: Convert to fraction form
    15,616,813.37/21,573,650.97 = 12,472,949.21/x
  3. Step 3: Cross multiply
    15,616,813.37x = 21,573,650.97 × 12,472,949.21
  4. Step 4: Simplify right side
    15,616,813.37x = 269,087,052,715,208.97
  5. Step 5: Solve for x
    x = 269,087,052,715,208.97/15,616,813.37
  6. Step 6: Final answer
    x = 17,230,599.25

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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.