Home / 8,374,943.08-12,505,682.30-6,649,728.13

Finding the Fourth Proportional to 8,374,943.08, 12,505,682.30 and 6,649,728.13

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Solution

The fourth proportional to 8,374,943.08, 12,505,682.30 and 6,649,728.13 is: 9,929,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,943.08 : 12,505,682.30 = 6,649,728.13 : x
  2. Step 2: Convert to fraction form
    8,374,943.08/12,505,682.30 = 6,649,728.13/x
  3. Step 3: Cross multiply
    8,374,943.08x = 12,505,682.30 × 6,649,728.13
  4. Step 4: Simplify right side
    8,374,943.08x = 83,159,387,375,153.11
  5. Step 5: Solve for x
    x = 83,159,387,375,153.11/8,374,943.08
  6. Step 6: Final answer
    x = 9,929,546.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.