Home / 20,189,438.73-27,860,371.61-11,020,310.01

Finding the Fourth Proportional to 20,189,438.73, 27,860,371.61 and 11,020,310.01

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Solution

The fourth proportional to 20,189,438.73, 27,860,371.61 and 11,020,310.01 is: 15,207,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,438.73 : 27,860,371.61 = 11,020,310.01 : x
  2. Step 2: Convert to fraction form
    20,189,438.73/27,860,371.61 = 11,020,310.01/x
  3. Step 3: Cross multiply
    20,189,438.73x = 27,860,371.61 × 11,020,310.01
  4. Step 4: Simplify right side
    20,189,438.73x = 307,029,932,080,901.25
  5. Step 5: Solve for x
    x = 307,029,932,080,901.25/20,189,438.73
  6. Step 6: Final answer
    x = 15,207,452.58

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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.