Home / 19,811,252.66-29,717,107.78-5,978,331.25

Finding the Fourth Proportional to 19,811,252.66, 29,717,107.78 and 5,978,331.25

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Solution

The fourth proportional to 19,811,252.66, 29,717,107.78 and 5,978,331.25 is: 8,967,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,252.66 : 29,717,107.78 = 5,978,331.25 : x
  2. Step 2: Convert to fraction form
    19,811,252.66/29,717,107.78 = 5,978,331.25/x
  3. Step 3: Cross multiply
    19,811,252.66x = 29,717,107.78 × 5,978,331.25
  4. Step 4: Simplify right side
    19,811,252.66x = 177,658,713,922,314.94
  5. Step 5: Solve for x
    x = 177,658,713,922,314.94/19,811,252.66
  6. Step 6: Final answer
    x = 8,967,565.91

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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.