Home / 12,979,998.48-17,917,913.27-8,087,637.88

Finding the Fourth Proportional to 12,979,998.48, 17,917,913.27 and 8,087,637.88

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Solution

The fourth proportional to 12,979,998.48, 17,917,913.27 and 8,087,637.88 is: 11,164,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,998.48 : 17,917,913.27 = 8,087,637.88 : x
  2. Step 2: Convert to fraction form
    12,979,998.48/17,917,913.27 = 8,087,637.88/x
  3. Step 3: Cross multiply
    12,979,998.48x = 17,917,913.27 × 8,087,637.88
  4. Step 4: Simplify right side
    12,979,998.48x = 144,913,594,093,006.66
  5. Step 5: Solve for x
    x = 144,913,594,093,006.66/12,979,998.48
  6. Step 6: Final answer
    x = 11,164,376.82

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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.