Home / 12,902,353.44-19,365,485.76-6,517,081.32

Finding the Fourth Proportional to 12,902,353.44, 19,365,485.76 and 6,517,081.32

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Solution

The fourth proportional to 12,902,353.44, 19,365,485.76 and 6,517,081.32 is: 9,781,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902,353.44 : 19,365,485.76 = 6,517,081.32 : x
  2. Step 2: Convert to fraction form
    12,902,353.44/19,365,485.76 = 6,517,081.32/x
  3. Step 3: Cross multiply
    12,902,353.44x = 19,365,485.76 × 6,517,081.32
  4. Step 4: Simplify right side
    12,902,353.44x = 126,206,445,499,222.02
  5. Step 5: Solve for x
    x = 126,206,445,499,222.02/12,902,353.44
  6. Step 6: Final answer
    x = 9,781,660.85

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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.