Home / 13,388,914.92-18,476,890.98-7,277,343.72

Finding the Fourth Proportional to 13,388,914.92, 18,476,890.98 and 7,277,343.72

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Solution

The fourth proportional to 13,388,914.92, 18,476,890.98 and 7,277,343.72 is: 10,042,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,914.92 : 18,476,890.98 = 7,277,343.72 : x
  2. Step 2: Convert to fraction form
    13,388,914.92/18,476,890.98 = 7,277,343.72/x
  3. Step 3: Cross multiply
    13,388,914.92x = 18,476,890.98 × 7,277,343.72
  4. Step 4: Simplify right side
    13,388,914.92x = 134,462,686,538,427.64
  5. Step 5: Solve for x
    x = 134,462,686,538,427.64/13,388,914.92
  6. Step 6: Final answer
    x = 10,042,836.73

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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.