Home / 13,646,279.04-18,823,970.79-8,817,383.04

Finding the Fourth Proportional to 13,646,279.04, 18,823,970.79 and 8,817,383.04

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Solution

The fourth proportional to 13,646,279.04, 18,823,970.79 and 8,817,383.04 is: 12,162,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,279.04 : 18,823,970.79 = 8,817,383.04 : x
  2. Step 2: Convert to fraction form
    13,646,279.04/18,823,970.79 = 8,817,383.04/x
  3. Step 3: Cross multiply
    13,646,279.04x = 18,823,970.79 × 8,817,383.04
  4. Step 4: Simplify right side
    13,646,279.04x = 165,978,160,789,201.38
  5. Step 5: Solve for x
    x = 165,978,160,789,201.38/13,646,279.04
  6. Step 6: Final answer
    x = 12,162,887.80

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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.