Home / 18,612,521.56-25,684,911.07-10,352,406.43

Finding the Fourth Proportional to 18,612,521.56, 25,684,911.07 and 10,352,406.43

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Solution

The fourth proportional to 18,612,521.56, 25,684,911.07 and 10,352,406.43 is: 14,286,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,521.56 : 25,684,911.07 = 10,352,406.43 : x
  2. Step 2: Convert to fraction form
    18,612,521.56/25,684,911.07 = 10,352,406.43/x
  3. Step 3: Cross multiply
    18,612,521.56x = 25,684,911.07 × 10,352,406.43
  4. Step 4: Simplify right side
    18,612,521.56x = 265,900,638,515,046.19
  5. Step 5: Solve for x
    x = 265,900,638,515,046.19/18,612,521.56
  6. Step 6: Final answer
    x = 14,286,115.81

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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.