Home / 11,218,158.87-16,828,978.11-4,741,261.47

Finding the Fourth Proportional to 11,218,158.87, 16,828,978.11 and 4,741,261.47

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Solution

The fourth proportional to 11,218,158.87, 16,828,978.11 and 4,741,261.47 is: 7,112,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218,158.87 : 16,828,978.11 = 4,741,261.47 : x
  2. Step 2: Convert to fraction form
    11,218,158.87/16,828,978.11 = 4,741,261.47/x
  3. Step 3: Cross multiply
    11,218,158.87x = 16,828,978.11 × 4,741,261.47
  4. Step 4: Simplify right side
    11,218,158.87x = 79,790,585,492,416.42
  5. Step 5: Solve for x
    x = 79,790,585,492,416.42/11,218,158.87
  6. Step 6: Final answer
    x = 7,112,627.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.