Home / 13,816,297.31-19,066,153.52-7,621,208.38

Finding the Fourth Proportional to 13,816,297.31, 19,066,153.52 and 7,621,208.38

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Solution

The fourth proportional to 13,816,297.31, 19,066,153.52 and 7,621,208.38 is: 10,517,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816,297.31 : 19,066,153.52 = 7,621,208.38 : x
  2. Step 2: Convert to fraction form
    13,816,297.31/19,066,153.52 = 7,621,208.38/x
  3. Step 3: Cross multiply
    13,816,297.31x = 19,066,153.52 × 7,621,208.38
  4. Step 4: Simplify right side
    13,816,297.31x = 145,307,129,000,043.53
  5. Step 5: Solve for x
    x = 145,307,129,000,043.53/13,816,297.31
  6. Step 6: Final answer
    x = 10,517,081.80

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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.