Home / 12,821,967.21-17,694,343.40-6,941,663.37

Finding the Fourth Proportional to 12,821,967.21, 17,694,343.40 and 6,941,663.37

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Solution

The fourth proportional to 12,821,967.21, 17,694,343.40 and 6,941,663.37 is: 9,579,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,967.21 : 17,694,343.40 = 6,941,663.37 : x
  2. Step 2: Convert to fraction form
    12,821,967.21/17,694,343.40 = 6,941,663.37/x
  3. Step 3: Cross multiply
    12,821,967.21x = 17,694,343.40 × 6,941,663.37
  4. Step 4: Simplify right side
    12,821,967.21x = 122,828,175,435,981.25
  5. Step 5: Solve for x
    x = 122,828,175,435,981.25/12,821,967.21
  6. Step 6: Final answer
    x = 9,579,510.96

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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.