Home / 11,073,285.43-15,281,268.40-6,428,146.64

Finding the Fourth Proportional to 11,073,285.43, 15,281,268.40 and 6,428,146.64

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Solution

The fourth proportional to 11,073,285.43, 15,281,268.40 and 6,428,146.64 is: 8,870,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073,285.43 : 15,281,268.40 = 6,428,146.64 : x
  2. Step 2: Convert to fraction form
    11,073,285.43/15,281,268.40 = 6,428,146.64/x
  3. Step 3: Cross multiply
    11,073,285.43x = 15,281,268.40 × 6,428,146.64
  4. Step 4: Simplify right side
    11,073,285.43x = 98,230,234,052,027.02
  5. Step 5: Solve for x
    x = 98,230,234,052,027.02/11,073,285.43
  6. Step 6: Final answer
    x = 8,870,920.44

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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.