Home / 38,227,809.12-57,311,402.04-20,028,513.84

Finding the Fourth Proportional to 38,227,809.12, 57,311,402.04 and 20,028,513.84

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Solution

The fourth proportional to 38,227,809.12, 57,311,402.04 and 20,028,513.84 is: 30,026,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,227,809.12 : 57,311,402.04 = 20,028,513.84 : x
  2. Step 2: Convert to fraction form
    38,227,809.12/57,311,402.04 = 20,028,513.84/x
  3. Step 3: Cross multiply
    38,227,809.12x = 57,311,402.04 × 20,028,513.84
  4. Step 4: Simplify right side
    38,227,809.12x = 1,147,862,208,947,944.25
  5. Step 5: Solve for x
    x = 1,147,862,208,947,944.25/38,227,809.12
  6. Step 6: Final answer
    x = 30,026,889.73

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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.