Home / 29,002,163.10-40,022,069.00-15,949,381.65

Finding the Fourth Proportional to 29,002,163.10, 40,022,069.00 and 15,949,381.65

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Solution

The fourth proportional to 29,002,163.10, 40,022,069.00 and 15,949,381.65 is: 22,009,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002,163.10 : 40,022,069.00 = 15,949,381.65 : x
  2. Step 2: Convert to fraction form
    29,002,163.10/40,022,069.00 = 15,949,381.65/x
  3. Step 3: Cross multiply
    29,002,163.10x = 40,022,069.00 × 15,949,381.65
  4. Step 4: Simplify right side
    29,002,163.10x = 638,327,252,823,886.88
  5. Step 5: Solve for x
    x = 638,327,252,823,886.88/29,002,163.10
  6. Step 6: Final answer
    x = 22,009,642.89

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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.