Home / 12,949,195.36-17,869,827.06-7,147,926.16

Finding the Fourth Proportional to 12,949,195.36, 17,869,827.06 and 7,147,926.16

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Solution

The fourth proportional to 12,949,195.36, 17,869,827.06 and 7,147,926.16 is: 9,864,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,195.36 : 17,869,827.06 = 7,147,926.16 : x
  2. Step 2: Convert to fraction form
    12,949,195.36/17,869,827.06 = 7,147,926.16/x
  3. Step 3: Cross multiply
    12,949,195.36x = 17,869,827.06 × 7,147,926.16
  4. Step 4: Simplify right side
    12,949,195.36x = 127,732,204,316,849.88
  5. Step 5: Solve for x
    x = 127,732,204,316,849.88/12,949,195.36
  6. Step 6: Final answer
    x = 9,864,103.58

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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.