Home / 12,476,691.10-18,683,543.85-8,193,670.30

Finding the Fourth Proportional to 12,476,691.10, 18,683,543.85 and 8,193,670.30

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Solution

The fourth proportional to 12,476,691.10, 18,683,543.85 and 8,193,670.30 is: 12,269,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,691.10 : 18,683,543.85 = 8,193,670.30 : x
  2. Step 2: Convert to fraction form
    12,476,691.10/18,683,543.85 = 8,193,670.30/x
  3. Step 3: Cross multiply
    12,476,691.10x = 18,683,543.85 × 8,193,670.30
  4. Step 4: Simplify right side
    12,476,691.10x = 153,086,798,342,492.66
  5. Step 5: Solve for x
    x = 153,086,798,342,492.66/12,476,691.10
  6. Step 6: Final answer
    x = 12,269,823.55

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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.