Home / 18,348,999.40-27,515,204.70-8,246,420.20

Finding the Fourth Proportional to 18,348,999.40, 27,515,204.70 and 8,246,420.20

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Solution

The fourth proportional to 18,348,999.40, 27,515,204.70 and 8,246,420.20 is: 12,365,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348,999.40 : 27,515,204.70 = 8,246,420.20 : x
  2. Step 2: Convert to fraction form
    18,348,999.40/27,515,204.70 = 8,246,420.20/x
  3. Step 3: Cross multiply
    18,348,999.40x = 27,515,204.70 × 8,246,420.20
  4. Step 4: Simplify right side
    18,348,999.40x = 226,901,939,845,214.94
  5. Step 5: Solve for x
    x = 226,901,939,845,214.94/18,348,999.40
  6. Step 6: Final answer
    x = 12,365,902.62

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1.5x scale

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.