Home / 21,334,925.27-29,442,196.86-11,545,369.45

Finding the Fourth Proportional to 21,334,925.27, 29,442,196.86 and 11,545,369.45

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Solution

The fourth proportional to 21,334,925.27, 29,442,196.86 and 11,545,369.45 is: 15,932,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,925.27 : 29,442,196.86 = 11,545,369.45 : x
  2. Step 2: Convert to fraction form
    21,334,925.27/29,442,196.86 = 11,545,369.45/x
  3. Step 3: Cross multiply
    21,334,925.27x = 29,442,196.86 × 11,545,369.45
  4. Step 4: Simplify right side
    21,334,925.27x = 339,921,040,168,329.88
  5. Step 5: Solve for x
    x = 339,921,040,168,329.88/21,334,925.27
  6. Step 6: Final answer
    x = 15,932,609.83

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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.