Home / 18,279,382.98-27,255,652.08-17,777,171.22

Finding the Fourth Proportional to 18,279,382.98, 27,255,652.08 and 17,777,171.22

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Solution

The fourth proportional to 18,279,382.98, 27,255,652.08 and 17,777,171.22 is: 26,506,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,382.98 : 27,255,652.08 = 17,777,171.22 : x
  2. Step 2: Convert to fraction form
    18,279,382.98/27,255,652.08 = 17,777,171.22/x
  3. Step 3: Cross multiply
    18,279,382.98x = 27,255,652.08 × 17,777,171.22
  4. Step 4: Simplify right side
    18,279,382.98x = 484,528,393,738,909.06
  5. Step 5: Solve for x
    x = 484,528,393,738,909.06/18,279,382.98
  6. Step 6: Final answer
    x = 26,506,824.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.