Home / 8,092,989.45-12,139,484.18-6,286,090.05

Finding the Fourth Proportional to 8,092,989.45, 12,139,484.18 and 6,286,090.05

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Solution

The fourth proportional to 8,092,989.45, 12,139,484.18 and 6,286,090.05 is: 9,429,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092,989.45 : 12,139,484.18 = 6,286,090.05 : x
  2. Step 2: Convert to fraction form
    8,092,989.45/12,139,484.18 = 6,286,090.05/x
  3. Step 3: Cross multiply
    8,092,989.45x = 12,139,484.18 × 6,286,090.05
  4. Step 4: Simplify right side
    8,092,989.45x = 76,309,890,684,599.97
  5. Step 5: Solve for x
    x = 76,309,890,684,599.97/8,092,989.45
  6. Step 6: Final answer
    x = 9,429,135.08

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Double scale
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Similar ratio
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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.