Home / 17,712,163.20-26,568,244.80-10,139,894.40

Finding the Fourth Proportional to 17,712,163.20, 26,568,244.80 and 10,139,894.40

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Solution

The fourth proportional to 17,712,163.20, 26,568,244.80 and 10,139,894.40 is: 15,209,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712,163.20 : 26,568,244.80 = 10,139,894.40 : x
  2. Step 2: Convert to fraction form
    17,712,163.20/26,568,244.80 = 10,139,894.40/x
  3. Step 3: Cross multiply
    17,712,163.20x = 26,568,244.80 × 10,139,894.40
  4. Step 4: Simplify right side
    17,712,163.20x = 269,399,196,665,349.12
  5. Step 5: Solve for x
    x = 269,399,196,665,349.12/17,712,163.20
  6. Step 6: Final answer
    x = 15,209,841.60

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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.