Home / 18,533,855.44-25,548,368.78-13,011,738.76

Finding the Fourth Proportional to 18,533,855.44, 25,548,368.78 and 13,011,738.76

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Solution

The fourth proportional to 18,533,855.44, 25,548,368.78 and 13,011,738.76 is: 17,936,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533,855.44 : 25,548,368.78 = 13,011,738.76 : x
  2. Step 2: Convert to fraction form
    18,533,855.44/25,548,368.78 = 13,011,738.76/x
  3. Step 3: Cross multiply
    18,533,855.44x = 25,548,368.78 × 13,011,738.76
  4. Step 4: Simplify right side
    18,533,855.44x = 332,428,700,309,499.94
  5. Step 5: Solve for x
    x = 332,428,700,309,499.94/18,533,855.44
  6. Step 6: Final answer
    x = 17,936,295.09

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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.