Home / 15,521,631.13-21,420,512.94-8,646,116.23

Finding the Fourth Proportional to 15,521,631.13, 21,420,512.94 and 8,646,116.23

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Solution

The fourth proportional to 15,521,631.13, 21,420,512.94 and 8,646,116.23 is: 11,932,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521,631.13 : 21,420,512.94 = 8,646,116.23 : x
  2. Step 2: Convert to fraction form
    15,521,631.13/21,420,512.94 = 8,646,116.23/x
  3. Step 3: Cross multiply
    15,521,631.13x = 21,420,512.94 × 8,646,116.23
  4. Step 4: Simplify right side
    15,521,631.13x = 185,204,244,585,459.03
  5. Step 5: Solve for x
    x = 185,204,244,585,459.03/15,521,631.13
  6. Step 6: Final answer
    x = 11,932,009.14

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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.