Home / 12,957,818,917.05-19,419,662,589.26-5,487,157,733.27

Finding the Fourth Proportional to 12,957,818,917.05, 19,419,662,589.26 and 5,487,157,733.27

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Solution

The fourth proportional to 12,957,818,917.05, 19,419,662,589.26 and 5,487,157,733.27 is: 8,223,509,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,818,917.05 : 19,419,662,589.26 = 5,487,157,733.27 : x
  2. Step 2: Convert to fraction form
    12,957,818,917.05/19,419,662,589.26 = 5,487,157,733.27/x
  3. Step 3: Cross multiply
    12,957,818,917.05x = 19,419,662,589.26 × 5,487,157,733.27
  4. Step 4: Simplify right side
    12,957,818,917.05x = 106,558,751,754,027,597,824
  5. Step 5: Solve for x
    x = 106,558,751,754,027,597,824/12,957,818,917.05
  6. Step 6: Final answer
    x = 8,223,509,869.69

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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.