Home / 10,320,513.51-15,393,697.33-8,961,992.85

Finding the Fourth Proportional to 10,320,513.51, 15,393,697.33 and 8,961,992.85

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Solution

The fourth proportional to 10,320,513.51, 15,393,697.33 and 8,961,992.85 is: 13,367,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320,513.51 : 15,393,697.33 = 8,961,992.85 : x
  2. Step 2: Convert to fraction form
    10,320,513.51/15,393,697.33 = 8,961,992.85/x
  3. Step 3: Cross multiply
    10,320,513.51x = 15,393,697.33 × 8,961,992.85
  4. Step 4: Simplify right side
    10,320,513.51x = 137,958,205,406,524.08
  5. Step 5: Solve for x
    x = 137,958,205,406,524.08/10,320,513.51
  6. Step 6: Final answer
    x = 13,367,378.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.