Home / 20,713,756.53-31,079,594.66-11,117,924.97

Finding the Fourth Proportional to 20,713,756.53, 31,079,594.66 and 11,117,924.97

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Solution

The fourth proportional to 20,713,756.53, 31,079,594.66 and 11,117,924.97 is: 16,681,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713,756.53 : 31,079,594.66 = 11,117,924.97 : x
  2. Step 2: Convert to fraction form
    20,713,756.53/31,079,594.66 = 11,117,924.97/x
  3. Step 3: Cross multiply
    20,713,756.53x = 31,079,594.66 × 11,117,924.97
  4. Step 4: Simplify right side
    20,713,756.53x = 345,540,601,472,303.06
  5. Step 5: Solve for x
    x = 345,540,601,472,303.06/20,713,756.53
  6. Step 6: Final answer
    x = 16,681,696.58

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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.