Home / 8,146,886.74-12,220,328.24-2,081,629.86

Finding the Fourth Proportional to 8,146,886.74, 12,220,328.24 and 2,081,629.86

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Solution

The fourth proportional to 8,146,886.74, 12,220,328.24 and 2,081,629.86 is: 3,122,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146,886.74 : 12,220,328.24 = 2,081,629.86 : x
  2. Step 2: Convert to fraction form
    8,146,886.74/12,220,328.24 = 2,081,629.86/x
  3. Step 3: Cross multiply
    8,146,886.74x = 12,220,328.24 × 2,081,629.86
  4. Step 4: Simplify right side
    8,146,886.74x = 25,438,200,163,385.25
  5. Step 5: Solve for x
    x = 25,438,200,163,385.25/8,146,886.74
  6. Step 6: Final answer
    x = 3,122,444.31

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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.