Home / 27,960,320.66-38,565,366.36-18,663,203.21

Finding the Fourth Proportional to 27,960,320.66, 38,565,366.36 and 18,663,203.21

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Solution

The fourth proportional to 27,960,320.66, 38,565,366.36 and 18,663,203.21 is: 25,741,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,320.66 : 38,565,366.36 = 18,663,203.21 : x
  2. Step 2: Convert to fraction form
    27,960,320.66/38,565,366.36 = 18,663,203.21/x
  3. Step 3: Cross multiply
    27,960,320.66x = 38,565,366.36 × 18,663,203.21
  4. Step 4: Simplify right side
    27,960,320.66x = 719,753,269,244,778
  5. Step 5: Solve for x
    x = 719,753,269,244,778/27,960,320.66
  6. Step 6: Final answer
    x = 25,741,953.32

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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.