Home / 12,364,535.70-18,538,163.55-7,313,246.10

Finding the Fourth Proportional to 12,364,535.70, 18,538,163.55 and 7,313,246.10

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Solution

The fourth proportional to 12,364,535.70, 18,538,163.55 and 7,313,246.10 is: 10,964,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364,535.70 : 18,538,163.55 = 7,313,246.10 : x
  2. Step 2: Convert to fraction form
    12,364,535.70/18,538,163.55 = 7,313,246.10/x
  3. Step 3: Cross multiply
    12,364,535.70x = 18,538,163.55 × 7,313,246.10
  4. Step 4: Simplify right side
    12,364,535.70x = 135,574,152,283,199.66
  5. Step 5: Solve for x
    x = 135,574,152,283,199.66/12,364,535.70
  6. Step 6: Final answer
    x = 10,964,758.85

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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.