Home / 18,422,207.92-27,619,665-8,828,451.28

Finding the Fourth Proportional to 18,422,207.92, 27,619,665 and 8,828,451.28

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Solution

The fourth proportional to 18,422,207.92, 27,619,665 and 8,828,451.28 is: 13,236,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422,207.92 : 27,619,665 = 8,828,451.28 : x
  2. Step 2: Convert to fraction form
    18,422,207.92/27,619,665 = 8,828,451.28/x
  3. Step 3: Cross multiply
    18,422,207.92x = 27,619,665 × 8,828,451.28
  4. Step 4: Simplify right side
    18,422,207.92x = 243,838,866,822,421.19
  5. Step 5: Solve for x
    x = 243,838,866,822,421.19/18,422,207.92
  6. Step 6: Final answer
    x = 13,236,136.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.