Home / 38,143,978.50-57,227,777.54-13,218,509.46

Finding the Fourth Proportional to 38,143,978.50, 57,227,777.54 and 13,218,509.46

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Solution

The fourth proportional to 38,143,978.50, 57,227,777.54 and 13,218,509.46 is: 19,831,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143,978.50 : 57,227,777.54 = 13,218,509.46 : x
  2. Step 2: Convert to fraction form
    38,143,978.50/57,227,777.54 = 13,218,509.46/x
  3. Step 3: Cross multiply
    38,143,978.50x = 57,227,777.54 × 13,218,509.46
  4. Step 4: Simplify right side
    38,143,978.50x = 756,465,918,787,265.62
  5. Step 5: Solve for x
    x = 756,465,918,787,265.62/38,143,978.50
  6. Step 6: Final answer
    x = 19,831,856.78

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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.