Home / 21,326,083.56-29,429,906.58-11,536,503.60

Finding the Fourth Proportional to 21,326,083.56, 29,429,906.58 and 11,536,503.60

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Solution

The fourth proportional to 21,326,083.56, 29,429,906.58 and 11,536,503.60 is: 15,920,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326,083.56 : 29,429,906.58 = 11,536,503.60 : x
  2. Step 2: Convert to fraction form
    21,326,083.56/29,429,906.58 = 11,536,503.60/x
  3. Step 3: Cross multiply
    21,326,083.56x = 29,429,906.58 × 11,536,503.60
  4. Step 4: Simplify right side
    21,326,083.56x = 339,518,223,207,833.69
  5. Step 5: Solve for x
    x = 339,518,223,207,833.69/21,326,083.56
  6. Step 6: Final answer
    x = 15,920,326.97

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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.