Home / 13,892,144.40-20,827,089-6,601,945.68

Finding the Fourth Proportional to 13,892,144.40, 20,827,089 and 6,601,945.68

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Solution

The fourth proportional to 13,892,144.40, 20,827,089 and 6,601,945.68 is: 9,897,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892,144.40 : 20,827,089 = 6,601,945.68 : x
  2. Step 2: Convert to fraction form
    13,892,144.40/20,827,089 = 6,601,945.68/x
  3. Step 3: Cross multiply
    13,892,144.40x = 20,827,089 × 6,601,945.68
  4. Step 4: Simplify right side
    13,892,144.40x = 137,499,310,250,525.52
  5. Step 5: Solve for x
    x = 137,499,310,250,525.52/13,892,144.40
  6. Step 6: Final answer
    x = 9,897,630.37

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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.