Home / 17,037,143.40-25,555,715.10-8,518,794.60

Finding the Fourth Proportional to 17,037,143.40, 25,555,715.10 and 8,518,794.60

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Solution

The fourth proportional to 17,037,143.40, 25,555,715.10 and 8,518,794.60 is: 12,778,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,037,143.40 : 25,555,715.10 = 8,518,794.60 : x
  2. Step 2: Convert to fraction form
    17,037,143.40/25,555,715.10 = 8,518,794.60/x
  3. Step 3: Cross multiply
    17,037,143.40x = 25,555,715.10 × 8,518,794.60
  4. Step 4: Simplify right side
    17,037,143.40x = 217,703,887,793,018.47
  5. Step 5: Solve for x
    x = 217,703,887,793,018.47/17,037,143.40
  6. Step 6: Final answer
    x = 12,778,191.90

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Similar ratio
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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.