Home / 12,821,970.92-17,694,348.48-6,941,667.06

Finding the Fourth Proportional to 12,821,970.92, 17,694,348.48 and 6,941,667.06

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Solution

The fourth proportional to 12,821,970.92, 17,694,348.48 and 6,941,667.06 is: 9,579,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,970.92 : 17,694,348.48 = 6,941,667.06 : x
  2. Step 2: Convert to fraction form
    12,821,970.92/17,694,348.48 = 6,941,667.06/x
  3. Step 3: Cross multiply
    12,821,970.92x = 17,694,348.48 × 6,941,667.06
  4. Step 4: Simplify right side
    12,821,970.92x = 122,828,275,991,777.06
  5. Step 5: Solve for x
    x = 122,828,275,991,777.06/12,821,970.92
  6. Step 6: Final answer
    x = 9,579,516.04

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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.