Home / 13,215,658.80-19,817,583.30-5,125,945.80

Finding the Fourth Proportional to 13,215,658.80, 19,817,583.30 and 5,125,945.80

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Solution

The fourth proportional to 13,215,658.80, 19,817,583.30 and 5,125,945.80 is: 7,686,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,658.80 : 19,817,583.30 = 5,125,945.80 : x
  2. Step 2: Convert to fraction form
    13,215,658.80/19,817,583.30 = 5,125,945.80/x
  3. Step 3: Cross multiply
    13,215,658.80x = 19,817,583.30 × 5,125,945.80
  4. Step 4: Simplify right side
    13,215,658.80x = 101,583,857,882,785.14
  5. Step 5: Solve for x
    x = 101,583,857,882,785.14/13,215,658.80
  6. Step 6: Final answer
    x = 7,686,628.37

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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.