Home / 8,190,635.60-12,285,953.40-8,031,203.30

Finding the Fourth Proportional to 8,190,635.60, 12,285,953.40 and 8,031,203.30

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Solution

The fourth proportional to 8,190,635.60, 12,285,953.40 and 8,031,203.30 is: 12,046,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,635.60 : 12,285,953.40 = 8,031,203.30 : x
  2. Step 2: Convert to fraction form
    8,190,635.60/12,285,953.40 = 8,031,203.30/x
  3. Step 3: Cross multiply
    8,190,635.60x = 12,285,953.40 × 8,031,203.30
  4. Step 4: Simplify right side
    8,190,635.60x = 98,670,989,489,726.22
  5. Step 5: Solve for x
    x = 98,670,989,489,726.22/8,190,635.60
  6. Step 6: Final answer
    x = 12,046,804.95

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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.