Home / 21,406,391.74-29,540,897.94-11,616,833.80

Finding the Fourth Proportional to 21,406,391.74, 29,540,897.94 and 11,616,833.80

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Solution

The fourth proportional to 21,406,391.74, 29,540,897.94 and 11,616,833.80 is: 16,031,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,406,391.74 : 29,540,897.94 = 11,616,833.80 : x
  2. Step 2: Convert to fraction form
    21,406,391.74/29,540,897.94 = 11,616,833.80/x
  3. Step 3: Cross multiply
    21,406,391.74x = 29,540,897.94 × 11,616,833.80
  4. Step 4: Simplify right side
    21,406,391.74x = 343,171,701,671,742.44
  5. Step 5: Solve for x
    x = 343,171,701,671,742.44/21,406,391.74
  6. Step 6: Final answer
    x = 16,031,272.61

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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.