Home / 20,178,802.62-27,847,335.87-11,012,035.86

Finding the Fourth Proportional to 20,178,802.62, 27,847,335.87 and 11,012,035.86

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Solution

The fourth proportional to 20,178,802.62, 27,847,335.87 and 11,012,035.86 is: 15,196,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,802.62 : 27,847,335.87 = 11,012,035.86 : x
  2. Step 2: Convert to fraction form
    20,178,802.62/27,847,335.87 = 11,012,035.86/x
  3. Step 3: Cross multiply
    20,178,802.62x = 27,847,335.87 × 11,012,035.86
  4. Step 4: Simplify right side
    20,178,802.62x = 306,655,861,205,904.31
  5. Step 5: Solve for x
    x = 306,655,861,205,904.31/20,178,802.62
  6. Step 6: Final answer
    x = 15,196,930.51

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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.