Home / 11,109,550.71-16,664,207.27-8,430,329.91

Finding the Fourth Proportional to 11,109,550.71, 16,664,207.27 and 8,430,329.91

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Solution

The fourth proportional to 11,109,550.71, 16,664,207.27 and 8,430,329.91 is: 12,645,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109,550.71 : 16,664,207.27 = 8,430,329.91 : x
  2. Step 2: Convert to fraction form
    11,109,550.71/16,664,207.27 = 8,430,329.91/x
  3. Step 3: Cross multiply
    11,109,550.71x = 16,664,207.27 × 8,430,329.91
  4. Step 4: Simplify right side
    11,109,550.71x = 140,484,764,932,568.80
  5. Step 5: Solve for x
    x = 140,484,764,932,568.80/11,109,550.71
  6. Step 6: Final answer
    x = 12,645,404.72

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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.