Home / 13,625,488.80-20,420,866.80-7,238,800.80

Finding the Fourth Proportional to 13,625,488.80, 20,420,866.80 and 7,238,800.80

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Solution

The fourth proportional to 13,625,488.80, 20,420,866.80 and 7,238,800.80 is: 10,848,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,488.80 : 20,420,866.80 = 7,238,800.80 : x
  2. Step 2: Convert to fraction form
    13,625,488.80/20,420,866.80 = 7,238,800.80/x
  3. Step 3: Cross multiply
    13,625,488.80x = 20,420,866.80 × 7,238,800.80
  4. Step 4: Simplify right side
    13,625,488.80x = 147,822,586,928,533.44
  5. Step 5: Solve for x
    x = 147,822,586,928,533.44/13,625,488.80
  6. Step 6: Final answer
    x = 10,848,974.97

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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.