Home / 12,945,694.32-19,418,891.40-3,360,860.64

Finding the Fourth Proportional to 12,945,694.32, 19,418,891.40 and 3,360,860.64

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Solution

The fourth proportional to 12,945,694.32, 19,418,891.40 and 3,360,860.64 is: 5,041,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,694.32 : 19,418,891.40 = 3,360,860.64 : x
  2. Step 2: Convert to fraction form
    12,945,694.32/19,418,891.40 = 3,360,860.64/x
  3. Step 3: Cross multiply
    12,945,694.32x = 19,418,891.40 × 3,360,860.64
  4. Step 4: Simplify right side
    12,945,694.32x = 65,264,187,778,694.49
  5. Step 5: Solve for x
    x = 65,264,187,778,694.49/12,945,694.32
  6. Step 6: Final answer
    x = 5,041,381.80

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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.