Home / 12,415,318.65-18,623,765.16-3,895,991.37

Finding the Fourth Proportional to 12,415,318.65, 18,623,765.16 and 3,895,991.37

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Solution

The fourth proportional to 12,415,318.65, 18,623,765.16 and 3,895,991.37 is: 5,844,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,318.65 : 18,623,765.16 = 3,895,991.37 : x
  2. Step 2: Convert to fraction form
    12,415,318.65/18,623,765.16 = 3,895,991.37/x
  3. Step 3: Cross multiply
    12,415,318.65x = 18,623,765.16 × 3,895,991.37
  4. Step 4: Simplify right side
    12,415,318.65x = 72,558,028,340,266.67
  5. Step 5: Solve for x
    x = 72,558,028,340,266.67/12,415,318.65
  6. Step 6: Final answer
    x = 5,844,234.08

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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.