Home / 12,821,966.96-17,694,343.05-6,941,663.12

Finding the Fourth Proportional to 12,821,966.96, 17,694,343.05 and 6,941,663.12

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Solution

The fourth proportional to 12,821,966.96, 17,694,343.05 and 6,941,663.12 is: 9,579,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,966.96 : 17,694,343.05 = 6,941,663.12 : x
  2. Step 2: Convert to fraction form
    12,821,966.96/17,694,343.05 = 6,941,663.12/x
  3. Step 3: Cross multiply
    12,821,966.96x = 17,694,343.05 × 6,941,663.12
  4. Step 4: Simplify right side
    12,821,966.96x = 122,828,168,501,487.27
  5. Step 5: Solve for x
    x = 122,828,168,501,487.27/12,821,966.96
  6. Step 6: Final answer
    x = 9,579,510.61

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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.