Home / 13,589,101.48-18,753,735.96-7,788,849.40

Finding the Fourth Proportional to 13,589,101.48, 18,753,735.96 and 7,788,849.40

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Solution

The fourth proportional to 13,589,101.48, 18,753,735.96 and 7,788,849.40 is: 10,749,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,101.48 : 18,753,735.96 = 7,788,849.40 : x
  2. Step 2: Convert to fraction form
    13,589,101.48/18,753,735.96 = 7,788,849.40/x
  3. Step 3: Cross multiply
    13,589,101.48x = 18,753,735.96 × 7,788,849.40
  4. Step 4: Simplify right side
    13,589,101.48x = 146,070,025,079,804.44
  5. Step 5: Solve for x
    x = 146,070,025,079,804.44/13,589,101.48
  6. Step 6: Final answer
    x = 10,749,056.90

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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.