Home / 8,256,117.60-12,384,176.40-2,191,785.30

Finding the Fourth Proportional to 8,256,117.60, 12,384,176.40 and 2,191,785.30

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Solution

The fourth proportional to 8,256,117.60, 12,384,176.40 and 2,191,785.30 is: 3,287,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,117.60 : 12,384,176.40 = 2,191,785.30 : x
  2. Step 2: Convert to fraction form
    8,256,117.60/12,384,176.40 = 2,191,785.30/x
  3. Step 3: Cross multiply
    8,256,117.60x = 12,384,176.40 × 2,191,785.30
  4. Step 4: Simplify right side
    8,256,117.60x = 27,143,455,786,126.92
  5. Step 5: Solve for x
    x = 27,143,455,786,126.92/8,256,117.60
  6. Step 6: Final answer
    x = 3,287,677.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.