Home / 11,666,309.60-17,509,832.40-6,867,999.20

Finding the Fourth Proportional to 11,666,309.60, 17,509,832.40 and 6,867,999.20

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Solution

The fourth proportional to 11,666,309.60, 17,509,832.40 and 6,867,999.20 is: 10,308,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,309.60 : 17,509,832.40 = 6,867,999.20 : x
  2. Step 2: Convert to fraction form
    11,666,309.60/17,509,832.40 = 6,867,999.20/x
  3. Step 3: Cross multiply
    11,666,309.60x = 17,509,832.40 × 6,867,999.20
  4. Step 4: Simplify right side
    11,666,309.60x = 120,257,514,915,334.08
  5. Step 5: Solve for x
    x = 120,257,514,915,334.08/11,666,309.60
  6. Step 6: Final answer
    x = 10,308,102.48

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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.