Home / 8,642,583.12-11,927,005.20-4,775,353.44

Finding the Fourth Proportional to 8,642,583.12, 11,927,005.20 and 4,775,353.44

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Solution

The fourth proportional to 8,642,583.12, 11,927,005.20 and 4,775,353.44 is: 6,590,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,583.12 : 11,927,005.20 = 4,775,353.44 : x
  2. Step 2: Convert to fraction form
    8,642,583.12/11,927,005.20 = 4,775,353.44/x
  3. Step 3: Cross multiply
    8,642,583.12x = 11,927,005.20 × 4,775,353.44
  4. Step 4: Simplify right side
    8,642,583.12x = 56,955,665,310,717.89
  5. Step 5: Solve for x
    x = 56,955,665,310,717.89/8,642,583.12
  6. Step 6: Final answer
    x = 6,590,120.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.