Home / 30,103,419.92-41,543,859.24-16,872,839.19

Finding the Fourth Proportional to 30,103,419.92, 41,543,859.24 and 16,872,839.19

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Solution

The fourth proportional to 30,103,419.92, 41,543,859.24 and 16,872,839.19 is: 23,285,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103,419.92 : 41,543,859.24 = 16,872,839.19 : x
  2. Step 2: Convert to fraction form
    30,103,419.92/41,543,859.24 = 16,872,839.19/x
  3. Step 3: Cross multiply
    30,103,419.92x = 41,543,859.24 × 16,872,839.19
  4. Step 4: Simplify right side
    30,103,419.92x = 700,962,856,288,515.75
  5. Step 5: Solve for x
    x = 700,962,856,288,515.75/30,103,419.92
  6. Step 6: Final answer
    x = 23,285,156.91

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1.5x scale

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.