Home / 21,716,923.80-29,961,854.46-13,881,019.44

Finding the Fourth Proportional to 21,716,923.80, 29,961,854.46 and 13,881,019.44

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Solution

The fourth proportional to 21,716,923.80, 29,961,854.46 and 13,881,019.44 is: 19,151,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716,923.80 : 29,961,854.46 = 13,881,019.44 : x
  2. Step 2: Convert to fraction form
    21,716,923.80/29,961,854.46 = 13,881,019.44/x
  3. Step 3: Cross multiply
    21,716,923.80x = 29,961,854.46 × 13,881,019.44
  4. Step 4: Simplify right side
    21,716,923.80x = 415,901,084,217,710.69
  5. Step 5: Solve for x
    x = 415,901,084,217,710.69/21,716,923.80
  6. Step 6: Final answer
    x = 19,151,012.73

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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.