Home / 15,455,520.80-23,185,905.60-8,265,102.20

Finding the Fourth Proportional to 15,455,520.80, 23,185,905.60 and 8,265,102.20

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Solution

The fourth proportional to 15,455,520.80, 23,185,905.60 and 8,265,102.20 is: 12,399,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,520.80 : 23,185,905.60 = 8,265,102.20 : x
  2. Step 2: Convert to fraction form
    15,455,520.80/23,185,905.60 = 8,265,102.20/x
  3. Step 3: Cross multiply
    15,455,520.80x = 23,185,905.60 × 8,265,102.20
  4. Step 4: Simplify right side
    15,455,520.80x = 191,633,879,383,552.34
  5. Step 5: Solve for x
    x = 191,633,879,383,552.34/15,455,520.80
  6. Step 6: Final answer
    x = 12,399,056.74

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1.5x scale

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.