Home / 13,746,020.97-20,618,761.80-5,548,445.13

Finding the Fourth Proportional to 13,746,020.97, 20,618,761.80 and 5,548,445.13

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Solution

The fourth proportional to 13,746,020.97, 20,618,761.80 and 5,548,445.13 is: 8,322,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746,020.97 : 20,618,761.80 = 5,548,445.13 : x
  2. Step 2: Convert to fraction form
    13,746,020.97/20,618,761.80 = 5,548,445.13/x
  3. Step 3: Cross multiply
    13,746,020.97x = 20,618,761.80 × 5,548,445.13
  4. Step 4: Simplify right side
    13,746,020.97x = 114,402,068,495,840.03
  5. Step 5: Solve for x
    x = 114,402,068,495,840.03/13,746,020.97
  6. Step 6: Final answer
    x = 8,322,558.85

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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.