Home / 27,960,438.62-38,565,529.20-18,663,321.20

Finding the Fourth Proportional to 27,960,438.62, 38,565,529.20 and 18,663,321.20

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Solution

The fourth proportional to 27,960,438.62, 38,565,529.20 and 18,663,321.20 is: 25,742,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,438.62 : 38,565,529.20 = 18,663,321.20 : x
  2. Step 2: Convert to fraction form
    27,960,438.62/38,565,529.20 = 18,663,321.20/x
  3. Step 3: Cross multiply
    27,960,438.62x = 38,565,529.20 × 18,663,321.20
  4. Step 4: Simplify right side
    27,960,438.62x = 719,760,858,707,579.12
  5. Step 5: Solve for x
    x = 719,760,858,707,579.12/27,960,438.62
  6. Step 6: Final answer
    x = 25,742,116.16

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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.