Home / 12,622,838.60-18,921,816.30-6,227,856.20

Finding the Fourth Proportional to 12,622,838.60, 18,921,816.30 and 6,227,856.20

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Solution

The fourth proportional to 12,622,838.60, 18,921,816.30 and 6,227,856.20 is: 9,335,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,838.60 : 18,921,816.30 = 6,227,856.20 : x
  2. Step 2: Convert to fraction form
    12,622,838.60/18,921,816.30 = 6,227,856.20/x
  3. Step 3: Cross multiply
    12,622,838.60x = 18,921,816.30 × 6,227,856.20
  4. Step 4: Simplify right side
    12,622,838.60x = 117,842,350,959,216.06
  5. Step 5: Solve for x
    x = 117,842,350,959,216.06/12,622,838.60
  6. Step 6: Final answer
    x = 9,335,645.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.