Home / 30,633,672.60-42,274,468.38-16,882,636.92

Finding the Fourth Proportional to 30,633,672.60, 42,274,468.38 and 16,882,636.92

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Solution

The fourth proportional to 30,633,672.60, 42,274,468.38 and 16,882,636.92 is: 23,298,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633,672.60 : 42,274,468.38 = 16,882,636.92 : x
  2. Step 2: Convert to fraction form
    30,633,672.60/42,274,468.38 = 16,882,636.92/x
  3. Step 3: Cross multiply
    30,633,672.60x = 42,274,468.38 × 16,882,636.92
  4. Step 4: Simplify right side
    30,633,672.60x = 713,704,500,645,560.75
  5. Step 5: Solve for x
    x = 713,704,500,645,560.75/30,633,672.60
  6. Step 6: Final answer
    x = 23,298,039.06

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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.