Home / 18,612,330.45-25,684,647.71-10,352,215.05

Finding the Fourth Proportional to 18,612,330.45, 25,684,647.71 and 10,352,215.05

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Solution

The fourth proportional to 18,612,330.45, 25,684,647.71 and 10,352,215.05 is: 14,285,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,330.45 : 25,684,647.71 = 10,352,215.05 : x
  2. Step 2: Convert to fraction form
    18,612,330.45/25,684,647.71 = 10,352,215.05/x
  3. Step 3: Cross multiply
    18,612,330.45x = 25,684,647.71 × 10,352,215.05
  4. Step 4: Simplify right side
    18,612,330.45x = 265,892,996,525,648.97
  5. Step 5: Solve for x
    x = 265,892,996,525,648.97/18,612,330.45
  6. Step 6: Final answer
    x = 14,285,851.91

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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.