Home / 28,135,993.28-38,826,835.56-15,577,607.07

Finding the Fourth Proportional to 28,135,993.28, 38,826,835.56 and 15,577,607.07

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Solution

The fourth proportional to 28,135,993.28, 38,826,835.56 and 15,577,607.07 is: 21,496,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,993.28 : 38,826,835.56 = 15,577,607.07 : x
  2. Step 2: Convert to fraction form
    28,135,993.28/38,826,835.56 = 15,577,607.07/x
  3. Step 3: Cross multiply
    28,135,993.28x = 38,826,835.56 × 15,577,607.07
  4. Step 4: Simplify right side
    28,135,993.28x = 604,829,188,125,183.50
  5. Step 5: Solve for x
    x = 604,829,188,125,183.50/28,135,993.28
  6. Step 6: Final answer
    x = 21,496,635.37

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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.