Home / 19,947,015.60-29,922,078.60-8,587,834.80

Finding the Fourth Proportional to 19,947,015.60, 29,922,078.60 and 8,587,834.80

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Solution

The fourth proportional to 19,947,015.60, 29,922,078.60 and 8,587,834.80 is: 12,882,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947,015.60 : 29,922,078.60 = 8,587,834.80 : x
  2. Step 2: Convert to fraction form
    19,947,015.60/29,922,078.60 = 8,587,834.80/x
  3. Step 3: Cross multiply
    19,947,015.60x = 29,922,078.60 × 8,587,834.80
  4. Step 4: Simplify right side
    19,947,015.60x = 256,965,867,889,415.31
  5. Step 5: Solve for x
    x = 256,965,867,889,415.31/19,947,015.60
  6. Step 6: Final answer
    x = 12,882,421.76

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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.