Home / 28,517,380.56-39,353,994.20-15,464,635.56

Finding the Fourth Proportional to 28,517,380.56, 39,353,994.20 and 15,464,635.56

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Solution

The fourth proportional to 28,517,380.56, 39,353,994.20 and 15,464,635.56 is: 21,341,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,380.56 : 39,353,994.20 = 15,464,635.56 : x
  2. Step 2: Convert to fraction form
    28,517,380.56/39,353,994.20 = 15,464,635.56/x
  3. Step 3: Cross multiply
    28,517,380.56x = 39,353,994.20 × 15,464,635.56
  4. Step 4: Simplify right side
    28,517,380.56x = 608,595,178,133,353.88
  5. Step 5: Solve for x
    x = 608,595,178,133,353.88/28,517,380.56
  6. Step 6: Final answer
    x = 21,341,201.97

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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.