Home / 18,521,378.16-27,783,116.94-5,743,699.44

Finding the Fourth Proportional to 18,521,378.16, 27,783,116.94 and 5,743,699.44

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Solution

The fourth proportional to 18,521,378.16, 27,783,116.94 and 5,743,699.44 is: 8,615,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,378.16 : 27,783,116.94 = 5,743,699.44 : x
  2. Step 2: Convert to fraction form
    18,521,378.16/27,783,116.94 = 5,743,699.44/x
  3. Step 3: Cross multiply
    18,521,378.16x = 27,783,116.94 × 5,743,699.44
  4. Step 4: Simplify right side
    18,521,378.16x = 159,577,873,209,732.53
  5. Step 5: Solve for x
    x = 159,577,873,209,732.53/18,521,378.16
  6. Step 6: Final answer
    x = 8,615,874.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.