Home / 16,132,170.38-22,262,114.76-8,790,063.89

Finding the Fourth Proportional to 16,132,170.38, 22,262,114.76 and 8,790,063.89

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Solution

The fourth proportional to 16,132,170.38, 22,262,114.76 and 8,790,063.89 is: 12,130,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,132,170.38 : 22,262,114.76 = 8,790,063.89 : x
  2. Step 2: Convert to fraction form
    16,132,170.38/22,262,114.76 = 8,790,063.89/x
  3. Step 3: Cross multiply
    16,132,170.38x = 22,262,114.76 × 8,790,063.89
  4. Step 4: Simplify right side
    16,132,170.38x = 195,685,410,955,601.44
  5. Step 5: Solve for x
    x = 195,685,410,955,601.44/16,132,170.38
  6. Step 6: Final answer
    x = 12,130,135.40

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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.