Home / 12,576,694.19-18,863,989.09-3,478,904.06

Finding the Fourth Proportional to 12,576,694.19, 18,863,989.09 and 3,478,904.06

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Solution

The fourth proportional to 12,576,694.19, 18,863,989.09 and 3,478,904.06 is: 5,218,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,694.19 : 18,863,989.09 = 3,478,904.06 : x
  2. Step 2: Convert to fraction form
    12,576,694.19/18,863,989.09 = 3,478,904.06/x
  3. Step 3: Cross multiply
    12,576,694.19x = 18,863,989.09 × 3,478,904.06
  4. Step 4: Simplify right side
    12,576,694.19x = 65,626,008,129,979.50
  5. Step 5: Solve for x
    x = 65,626,008,129,979.50/12,576,694.19
  6. Step 6: Final answer
    x = 5,218,065.03

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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.