Home / 9,198,615.38-12,693,517.15-5,068,415.39

Finding the Fourth Proportional to 9,198,615.38, 12,693,517.15 and 5,068,415.39

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Solution

The fourth proportional to 9,198,615.38, 12,693,517.15 and 5,068,415.39 is: 6,994,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198,615.38 : 12,693,517.15 = 5,068,415.39 : x
  2. Step 2: Convert to fraction form
    9,198,615.38/12,693,517.15 = 5,068,415.39/x
  3. Step 3: Cross multiply
    9,198,615.38x = 12,693,517.15 × 5,068,415.39
  4. Step 4: Simplify right side
    9,198,615.38x = 64,336,017,676,288.94
  5. Step 5: Solve for x
    x = 64,336,017,676,288.94/9,198,615.38
  6. Step 6: Final answer
    x = 6,994,098.03

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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.