Home / 29,079,984.39-40,131,956.61-16,689,978.75

Finding the Fourth Proportional to 29,079,984.39, 40,131,956.61 and 16,689,978.75

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Solution

The fourth proportional to 29,079,984.39, 40,131,956.61 and 16,689,978.75 is: 23,033,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079,984.39 : 40,131,956.61 = 16,689,978.75 : x
  2. Step 2: Convert to fraction form
    29,079,984.39/40,131,956.61 = 16,689,978.75/x
  3. Step 3: Cross multiply
    29,079,984.39x = 40,131,956.61 × 16,689,978.75
  4. Step 4: Simplify right side
    29,079,984.39x = 669,801,503,167,316.88
  5. Step 5: Solve for x
    x = 669,801,503,167,316.88/29,079,984.39
  6. Step 6: Final answer
    x = 23,033,076.44

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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.