Home / 8,190,648.60-12,285,972.90-8,031,216.30

Finding the Fourth Proportional to 8,190,648.60, 12,285,972.90 and 8,031,216.30

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Solution

The fourth proportional to 8,190,648.60, 12,285,972.90 and 8,031,216.30 is: 12,046,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,648.60 : 12,285,972.90 = 8,031,216.30 : x
  2. Step 2: Convert to fraction form
    8,190,648.60/12,285,972.90 = 8,031,216.30/x
  3. Step 3: Cross multiply
    8,190,648.60x = 12,285,972.90 × 8,031,216.30
  4. Step 4: Simplify right side
    8,190,648.60x = 98,671,305,815,838.27
  5. Step 5: Solve for x
    x = 98,671,305,815,838.27/8,190,648.60
  6. Step 6: Final answer
    x = 12,046,824.45

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Similar ratio
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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.