Home / 14,365,431.76-19,824,716.55-7,839,481.81

Finding the Fourth Proportional to 14,365,431.76, 19,824,716.55 and 7,839,481.81

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Solution

The fourth proportional to 14,365,431.76, 19,824,716.55 and 7,839,481.81 is: 10,818,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,431.76 : 19,824,716.55 = 7,839,481.81 : x
  2. Step 2: Convert to fraction form
    14,365,431.76/19,824,716.55 = 7,839,481.81/x
  3. Step 3: Cross multiply
    14,365,431.76x = 19,824,716.55 × 7,839,481.81
  4. Step 4: Simplify right side
    14,365,431.76x = 155,415,504,782,130.97
  5. Step 5: Solve for x
    x = 155,415,504,782,130.97/14,365,431.76
  6. Step 6: Final answer
    x = 10,818,714.49

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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.