Home / 31,493,856.30-47,240,784.45-15,568,608.30

Finding the Fourth Proportional to 31,493,856.30, 47,240,784.45 and 15,568,608.30

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Solution

The fourth proportional to 31,493,856.30, 47,240,784.45 and 15,568,608.30 is: 23,352,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493,856.30 : 47,240,784.45 = 15,568,608.30 : x
  2. Step 2: Convert to fraction form
    31,493,856.30/47,240,784.45 = 15,568,608.30/x
  3. Step 3: Cross multiply
    31,493,856.30x = 47,240,784.45 × 15,568,608.30
  4. Step 4: Simplify right side
    31,493,856.30x = 735,473,268,886,781
  5. Step 5: Solve for x
    x = 735,473,268,886,781/31,493,856.30
  6. Step 6: Final answer
    x = 23,352,912.45

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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.