Home / 12,964,087.80-19,446,131.70-3,987,473.40

Finding the Fourth Proportional to 12,964,087.80, 19,446,131.70 and 3,987,473.40

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Solution

The fourth proportional to 12,964,087.80, 19,446,131.70 and 3,987,473.40 is: 5,981,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964,087.80 : 19,446,131.70 = 3,987,473.40 : x
  2. Step 2: Convert to fraction form
    12,964,087.80/19,446,131.70 = 3,987,473.40/x
  3. Step 3: Cross multiply
    12,964,087.80x = 19,446,131.70 × 3,987,473.40
  4. Step 4: Simplify right side
    12,964,087.80x = 77,540,932,886,646.78
  5. Step 5: Solve for x
    x = 77,540,932,886,646.78/12,964,087.80
  6. Step 6: Final answer
    x = 5,981,210.10

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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.