Home / 18,263,138.97-25,196,119.67-10,423,086.83

Finding the Fourth Proportional to 18,263,138.97, 25,196,119.67 and 10,423,086.83

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Solution

The fourth proportional to 18,263,138.97, 25,196,119.67 and 10,423,086.83 is: 14,379,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,138.97 : 25,196,119.67 = 10,423,086.83 : x
  2. Step 2: Convert to fraction form
    18,263,138.97/25,196,119.67 = 10,423,086.83/x
  3. Step 3: Cross multiply
    18,263,138.97x = 25,196,119.67 × 10,423,086.83
  4. Step 4: Simplify right side
    18,263,138.97x = 262,621,342,921,384.88
  5. Step 5: Solve for x
    x = 262,621,342,921,384.88/18,263,138.97
  6. Step 6: Final answer
    x = 14,379,857.88

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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.