Home / 13,990,589.11-19,307,052.13-8,111,365.81

Finding the Fourth Proportional to 13,990,589.11, 19,307,052.13 and 8,111,365.81

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Solution

The fourth proportional to 13,990,589.11, 19,307,052.13 and 8,111,365.81 is: 11,193,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990,589.11 : 19,307,052.13 = 8,111,365.81 : x
  2. Step 2: Convert to fraction form
    13,990,589.11/19,307,052.13 = 8,111,365.81/x
  3. Step 3: Cross multiply
    13,990,589.11x = 19,307,052.13 × 8,111,365.81
  4. Step 4: Simplify right side
    13,990,589.11x = 156,606,562,539,169.66
  5. Step 5: Solve for x
    x = 156,606,562,539,169.66/13,990,589.11
  6. Step 6: Final answer
    x = 11,193,707.52

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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.