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Finding the Fourth Proportional to 8,530,432.03, 12,795,648.05 and 2,850,656.34

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Solution

The fourth proportional to 8,530,432.03, 12,795,648.05 and 2,850,656.34 is: 4,275,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,432.03 : 12,795,648.05 = 2,850,656.34 : x
  2. Step 2: Convert to fraction form
    8,530,432.03/12,795,648.05 = 2,850,656.34/x
  3. Step 3: Cross multiply
    8,530,432.03x = 12,795,648.05 × 2,850,656.34
  4. Step 4: Simplify right side
    8,530,432.03x = 36,475,995,277,216.52
  5. Step 5: Solve for x
    x = 36,475,995,277,216.52/8,530,432.03
  6. Step 6: Final answer
    x = 4,275,984.52

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Double scale
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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.