Home / 18,175,999.80-27,263,999.70-5,398,476.60

Finding the Fourth Proportional to 18,175,999.80, 27,263,999.70 and 5,398,476.60

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Solution

The fourth proportional to 18,175,999.80, 27,263,999.70 and 5,398,476.60 is: 8,097,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,999.80 : 27,263,999.70 = 5,398,476.60 : x
  2. Step 2: Convert to fraction form
    18,175,999.80/27,263,999.70 = 5,398,476.60/x
  3. Step 3: Cross multiply
    18,175,999.80x = 27,263,999.70 × 5,398,476.60
  4. Step 4: Simplify right side
    18,175,999.80x = 147,184,064,402,857
  5. Step 5: Solve for x
    x = 147,184,064,402,857/18,175,999.80
  6. Step 6: Final answer
    x = 8,097,714.90

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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.