Home / 10,612,977.60-15,922,589.76-3,424,376.64

Finding the Fourth Proportional to 10,612,977.60, 15,922,589.76 and 3,424,376.64

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Solution

The fourth proportional to 10,612,977.60, 15,922,589.76 and 3,424,376.64 is: 5,137,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612,977.60 : 15,922,589.76 = 3,424,376.64 : x
  2. Step 2: Convert to fraction form
    10,612,977.60/15,922,589.76 = 3,424,376.64/x
  3. Step 3: Cross multiply
    10,612,977.60x = 15,922,589.76 × 3,424,376.64
  4. Step 4: Simplify right side
    10,612,977.60x = 54,524,944,422,447.21
  5. Step 5: Solve for x
    x = 54,524,944,422,447.21/10,612,977.60
  6. Step 6: Final answer
    x = 5,137,572.74

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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.