Home / 21,110,945.16-29,132,907.48-11,943,587.91

Finding the Fourth Proportional to 21,110,945.16, 29,132,907.48 and 11,943,587.91

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Solution

The fourth proportional to 21,110,945.16, 29,132,907.48 and 11,943,587.91 is: 16,482,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,110,945.16 : 29,132,907.48 = 11,943,587.91 : x
  2. Step 2: Convert to fraction form
    21,110,945.16/29,132,907.48 = 11,943,587.91/x
  3. Step 3: Cross multiply
    21,110,945.16x = 29,132,907.48 × 11,943,587.91
  4. Step 4: Simplify right side
    21,110,945.16x = 347,951,441,496,816.62
  5. Step 5: Solve for x
    x = 347,951,441,496,816.62/21,110,945.16
  6. Step 6: Final answer
    x = 16,482,039.95

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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.