Home / 12,979,968.33-17,917,871.66-8,087,607.64

Finding the Fourth Proportional to 12,979,968.33, 17,917,871.66 and 8,087,607.64

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Solution

The fourth proportional to 12,979,968.33, 17,917,871.66 and 8,087,607.64 is: 11,164,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,968.33 : 17,917,871.66 = 8,087,607.64 : x
  2. Step 2: Convert to fraction form
    12,979,968.33/17,917,871.66 = 8,087,607.64/x
  3. Step 3: Cross multiply
    12,979,968.33x = 17,917,871.66 × 8,087,607.64
  4. Step 4: Simplify right side
    12,979,968.33x = 144,912,715,729,955.47
  5. Step 5: Solve for x
    x = 144,912,715,729,955.47/12,979,968.33
  6. Step 6: Final answer
    x = 11,164,335.08

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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.