Home / 12,077,976.53-16,677,664.11-11,201,707.82

Finding the Fourth Proportional to 12,077,976.53, 16,677,664.11 and 11,201,707.82

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Solution

The fourth proportional to 12,077,976.53, 16,677,664.11 and 11,201,707.82 is: 15,467,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077,976.53 : 16,677,664.11 = 11,201,707.82 : x
  2. Step 2: Convert to fraction form
    12,077,976.53/16,677,664.11 = 11,201,707.82/x
  3. Step 3: Cross multiply
    12,077,976.53x = 16,677,664.11 × 11,201,707.82
  4. Step 4: Simplify right side
    12,077,976.53x = 186,818,320,396,932
  5. Step 5: Solve for x
    x = 186,818,320,396,932/12,077,976.53
  6. Step 6: Final answer
    x = 15,467,683.68

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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.