Home / 28,510,189.92-39,343,579.20-16,120,091.88

Finding the Fourth Proportional to 28,510,189.92, 39,343,579.20 and 16,120,091.88

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Solution

The fourth proportional to 28,510,189.92, 39,343,579.20 and 16,120,091.88 is: 22,245,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,189.92 : 39,343,579.20 = 16,120,091.88 : x
  2. Step 2: Convert to fraction form
    28,510,189.92/39,343,579.20 = 16,120,091.88/x
  3. Step 3: Cross multiply
    28,510,189.92x = 39,343,579.20 × 16,120,091.88
  4. Step 4: Simplify right side
    28,510,189.92x = 634,222,111,592,057
  5. Step 5: Solve for x
    x = 634,222,111,592,057/28,510,189.92
  6. Step 6: Final answer
    x = 22,245,453.76

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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.