Home / 15,629,773.77-21,569,153.85-9,107,877.33

Finding the Fourth Proportional to 15,629,773.77, 21,569,153.85 and 9,107,877.33

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Solution

The fourth proportional to 15,629,773.77, 21,569,153.85 and 9,107,877.33 is: 12,568,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629,773.77 : 21,569,153.85 = 9,107,877.33 : x
  2. Step 2: Convert to fraction form
    15,629,773.77/21,569,153.85 = 9,107,877.33/x
  3. Step 3: Cross multiply
    15,629,773.77x = 21,569,153.85 × 9,107,877.33
  4. Step 4: Simplify right side
    15,629,773.77x = 196,449,207,377,697.25
  5. Step 5: Solve for x
    x = 196,449,207,377,697.25/15,629,773.77
  6. Step 6: Final answer
    x = 12,568,909.20

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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.