Home / 13,552,664.88-18,711,430.20-8,401,531.44

Finding the Fourth Proportional to 13,552,664.88, 18,711,430.20 and 8,401,531.44

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Solution

The fourth proportional to 13,552,664.88, 18,711,430.20 and 8,401,531.44 is: 11,599,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552,664.88 : 18,711,430.20 = 8,401,531.44 : x
  2. Step 2: Convert to fraction form
    13,552,664.88/18,711,430.20 = 8,401,531.44/x
  3. Step 3: Cross multiply
    13,552,664.88x = 18,711,430.20 × 8,401,531.44
  4. Step 4: Simplify right side
    13,552,664.88x = 157,204,669,112,665.47
  5. Step 5: Solve for x
    x = 157,204,669,112,665.47/13,552,664.88
  6. Step 6: Final answer
    x = 11,599,539.32

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1.5x scale

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.