Home / 15,340,086.06-21,169,418.49-8,371,254.30

Finding the Fourth Proportional to 15,340,086.06, 21,169,418.49 and 8,371,254.30

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Solution

The fourth proportional to 15,340,086.06, 21,169,418.49 and 8,371,254.30 is: 11,552,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340,086.06 : 21,169,418.49 = 8,371,254.30 : x
  2. Step 2: Convert to fraction form
    15,340,086.06/21,169,418.49 = 8,371,254.30/x
  3. Step 3: Cross multiply
    15,340,086.06x = 21,169,418.49 × 8,371,254.30
  4. Step 4: Simplify right side
    15,340,086.06x = 177,214,585,562,912
  5. Step 5: Solve for x
    x = 177,214,585,562,912/15,340,086.06
  6. Step 6: Final answer
    x = 11,552,385.36

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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.