Home / 30,235,721.73-45,326,726.10-11,787,414.45

Finding the Fourth Proportional to 30,235,721.73, 45,326,726.10 and 11,787,414.45

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Solution

The fourth proportional to 30,235,721.73, 45,326,726.10 and 11,787,414.45 is: 17,670,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235,721.73 : 45,326,726.10 = 11,787,414.45 : x
  2. Step 2: Convert to fraction form
    30,235,721.73/45,326,726.10 = 11,787,414.45/x
  3. Step 3: Cross multiply
    30,235,721.73x = 45,326,726.10 × 11,787,414.45
  4. Step 4: Simplify right side
    30,235,721.73x = 534,284,906,202,332.12
  5. Step 5: Solve for x
    x = 534,284,906,202,332.12/30,235,721.73
  6. Step 6: Final answer
    x = 17,670,651.65

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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.