Home / 12,331,343.46-17,017,128.60-6,824,729

Finding the Fourth Proportional to 12,331,343.46, 17,017,128.60 and 6,824,729

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Solution

The fourth proportional to 12,331,343.46, 17,017,128.60 and 6,824,729 is: 9,418,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,343.46 : 17,017,128.60 = 6,824,729 : x
  2. Step 2: Convert to fraction form
    12,331,343.46/17,017,128.60 = 6,824,729/x
  3. Step 3: Cross multiply
    12,331,343.46x = 17,017,128.60 × 6,824,729
  4. Step 4: Simplify right side
    12,331,343.46x = 116,137,291,053,149.41
  5. Step 5: Solve for x
    x = 116,137,291,053,149.41/12,331,343.46
  6. Step 6: Final answer
    x = 9,418,056.63

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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.