Home / 13,186,724.20-19,780,086.30-8,084,890.60

Finding the Fourth Proportional to 13,186,724.20, 19,780,086.30 and 8,084,890.60

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Solution

The fourth proportional to 13,186,724.20, 19,780,086.30 and 8,084,890.60 is: 12,127,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,724.20 : 19,780,086.30 = 8,084,890.60 : x
  2. Step 2: Convert to fraction form
    13,186,724.20/19,780,086.30 = 8,084,890.60/x
  3. Step 3: Cross multiply
    13,186,724.20x = 19,780,086.30 × 8,084,890.60
  4. Step 4: Simplify right side
    13,186,724.20x = 159,919,833,794,058.78
  5. Step 5: Solve for x
    x = 159,919,833,794,058.78/13,186,724.20
  6. Step 6: Final answer
    x = 12,127,335.90

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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.