Home / 14,489,815.08-19,996,424.42-7,963,675.88

Finding the Fourth Proportional to 14,489,815.08, 19,996,424.42 and 7,963,675.88

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Solution

The fourth proportional to 14,489,815.08, 19,996,424.42 and 7,963,675.88 is: 10,990,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,815.08 : 19,996,424.42 = 7,963,675.88 : x
  2. Step 2: Convert to fraction form
    14,489,815.08/19,996,424.42 = 7,963,675.88/x
  3. Step 3: Cross multiply
    14,489,815.08x = 19,996,424.42 × 7,963,675.88
  4. Step 4: Simplify right side
    14,489,815.08x = 159,245,042,839,797
  5. Step 5: Solve for x
    x = 159,245,042,839,797/14,489,815.08
  6. Step 6: Final answer
    x = 10,990,136.31

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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.