Home / 19,634,625.45-29,442,082.82-11,439,920.25

Finding the Fourth Proportional to 19,634,625.45, 29,442,082.82 and 11,439,920.25

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Solution

The fourth proportional to 19,634,625.45, 29,442,082.82 and 11,439,920.25 is: 17,154,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634,625.45 : 29,442,082.82 = 11,439,920.25 : x
  2. Step 2: Convert to fraction form
    19,634,625.45/29,442,082.82 = 11,439,920.25/x
  3. Step 3: Cross multiply
    19,634,625.45x = 29,442,082.82 × 11,439,920.25
  4. Step 4: Simplify right side
    19,634,625.45x = 336,815,079,397,495.50
  5. Step 5: Solve for x
    x = 336,815,079,397,495.50/19,634,625.45
  6. Step 6: Final answer
    x = 17,154,138.25

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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.