Home / 14,365,619.82-19,824,974.01-7,839,669.65

Finding the Fourth Proportional to 14,365,619.82, 19,824,974.01 and 7,839,669.65

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Solution

The fourth proportional to 14,365,619.82, 19,824,974.01 and 7,839,669.65 is: 10,818,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,619.82 : 19,824,974.01 = 7,839,669.65 : x
  2. Step 2: Convert to fraction form
    14,365,619.82/19,824,974.01 = 7,839,669.65/x
  3. Step 3: Cross multiply
    14,365,619.82x = 19,824,974.01 × 7,839,669.65
  4. Step 4: Simplify right side
    14,365,619.82x = 155,421,246,959,110.94
  5. Step 5: Solve for x
    x = 155,421,246,959,110.94/14,365,619.82
  6. Step 6: Final answer
    x = 10,818,972.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.