Home / 11,433,171.86-15,778,093.07-6,471,218.78

Finding the Fourth Proportional to 11,433,171.86, 15,778,093.07 and 6,471,218.78

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Solution

The fourth proportional to 11,433,171.86, 15,778,093.07 and 6,471,218.78 is: 8,930,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433,171.86 : 15,778,093.07 = 6,471,218.78 : x
  2. Step 2: Convert to fraction form
    11,433,171.86/15,778,093.07 = 6,471,218.78/x
  3. Step 3: Cross multiply
    11,433,171.86x = 15,778,093.07 × 6,471,218.78
  4. Step 4: Simplify right side
    11,433,171.86x = 102,103,492,075,925.30
  5. Step 5: Solve for x
    x = 102,103,492,075,925.30/11,433,171.86
  6. Step 6: Final answer
    x = 8,930,460.71

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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.