Home / 11,809,427.60-17,718,288.60-5,079,904.40

Finding the Fourth Proportional to 11,809,427.60, 17,718,288.60 and 5,079,904.40

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Solution

The fourth proportional to 11,809,427.60, 17,718,288.60 and 5,079,904.40 is: 7,621,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809,427.60 : 17,718,288.60 = 5,079,904.40 : x
  2. Step 2: Convert to fraction form
    11,809,427.60/17,718,288.60 = 5,079,904.40/x
  3. Step 3: Cross multiply
    11,809,427.60x = 17,718,288.60 × 5,079,904.40
  4. Step 4: Simplify right side
    11,809,427.60x = 90,007,212,219,609.86
  5. Step 5: Solve for x
    x = 90,007,212,219,609.86/11,809,427.60
  6. Step 6: Final answer
    x = 7,621,640.55

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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.