Home / 11,218,658.54-15,482,978.96-6,510,091.28

Finding the Fourth Proportional to 11,218,658.54, 15,482,978.96 and 6,510,091.28

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Solution

The fourth proportional to 11,218,658.54, 15,482,978.96 and 6,510,091.28 is: 8,984,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218,658.54 : 15,482,978.96 = 6,510,091.28 : x
  2. Step 2: Convert to fraction form
    11,218,658.54/15,482,978.96 = 6,510,091.28/x
  3. Step 3: Cross multiply
    11,218,658.54x = 15,482,978.96 × 6,510,091.28
  4. Step 4: Simplify right side
    11,218,658.54x = 100,795,606,315,919.48
  5. Step 5: Solve for x
    x = 100,795,606,315,919.48/11,218,658.54
  6. Step 6: Final answer
    x = 8,984,639.83

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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.