Home / 20,790,383.18-31,183,192.17-5,439,154.25

Finding the Fourth Proportional to 20,790,383.18, 31,183,192.17 and 5,439,154.25

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Solution

The fourth proportional to 20,790,383.18, 31,183,192.17 and 5,439,154.25 is: 8,158,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790,383.18 : 31,183,192.17 = 5,439,154.25 : x
  2. Step 2: Convert to fraction form
    20,790,383.18/31,183,192.17 = 5,439,154.25/x
  3. Step 3: Cross multiply
    20,790,383.18x = 31,183,192.17 × 5,439,154.25
  4. Step 4: Simplify right side
    20,790,383.18x = 169,610,192,297,980.22
  5. Step 5: Solve for x
    x = 169,610,192,297,980.22/20,790,383.18
  6. Step 6: Final answer
    x = 8,158,108.05

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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.