Home / 10,351,971.20-15,548,134.58-8,434,299.56

Finding the Fourth Proportional to 10,351,971.20, 15,548,134.58 and 8,434,299.56

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Solution

The fourth proportional to 10,351,971.20, 15,548,134.58 and 8,434,299.56 is: 12,667,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,971.20 : 15,548,134.58 = 8,434,299.56 : x
  2. Step 2: Convert to fraction form
    10,351,971.20/15,548,134.58 = 8,434,299.56/x
  3. Step 3: Cross multiply
    10,351,971.20x = 15,548,134.58 × 8,434,299.56
  4. Step 4: Simplify right side
    10,351,971.20x = 131,137,624,527,002.61
  5. Step 5: Solve for x
    x = 131,137,624,527,002.61/10,351,971.20
  6. Step 6: Final answer
    x = 12,667,889.24

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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.