Home / 12,821,966.71-17,694,342.71-6,941,662.87

Finding the Fourth Proportional to 12,821,966.71, 17,694,342.71 and 6,941,662.87

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Solution

The fourth proportional to 12,821,966.71, 17,694,342.71 and 6,941,662.87 is: 9,579,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,966.71 : 17,694,342.71 = 6,941,662.87 : x
  2. Step 2: Convert to fraction form
    12,821,966.71/17,694,342.71 = 6,941,662.87/x
  3. Step 3: Cross multiply
    12,821,966.71x = 17,694,342.71 × 6,941,662.87
  4. Step 4: Simplify right side
    12,821,966.71x = 122,828,161,675,882.14
  5. Step 5: Solve for x
    x = 122,828,161,675,882.14/12,821,966.71
  6. Step 6: Final answer
    x = 9,579,510.27

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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.