Home / 13,659,204.56-18,851,625.07-8,696,060.78

Finding the Fourth Proportional to 13,659,204.56, 18,851,625.07 and 8,696,060.78

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Solution

The fourth proportional to 13,659,204.56, 18,851,625.07 and 8,696,060.78 is: 12,001,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,204.56 : 18,851,625.07 = 8,696,060.78 : x
  2. Step 2: Convert to fraction form
    13,659,204.56/18,851,625.07 = 8,696,060.78/x
  3. Step 3: Cross multiply
    13,659,204.56x = 18,851,625.07 × 8,696,060.78
  4. Step 4: Simplify right side
    13,659,204.56x = 163,934,877,435,880.66
  5. Step 5: Solve for x
    x = 163,934,877,435,880.66/13,659,204.56
  6. Step 6: Final answer
    x = 12,001,788.00

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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.