Home / 21,033,443.81-31,550,136.32-11,691,536.22

Finding the Fourth Proportional to 21,033,443.81, 31,550,136.32 and 11,691,536.22

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Solution

The fourth proportional to 21,033,443.81, 31,550,136.32 and 11,691,536.22 is: 17,537,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,443.81 : 31,550,136.32 = 11,691,536.22 : x
  2. Step 2: Convert to fraction form
    21,033,443.81/31,550,136.32 = 11,691,536.22/x
  3. Step 3: Cross multiply
    21,033,443.81x = 31,550,136.32 × 11,691,536.22
  4. Step 4: Simplify right side
    21,033,443.81x = 368,869,561,440,885.62
  5. Step 5: Solve for x
    x = 368,869,561,440,885.62/21,033,443.81
  6. Step 6: Final answer
    x = 17,537,287.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.