Home / 8,694,385.66-11,998,018.56-5,211,691.84

Finding the Fourth Proportional to 8,694,385.66, 11,998,018.56 and 5,211,691.84

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Solution

The fourth proportional to 8,694,385.66, 11,998,018.56 and 5,211,691.84 is: 7,191,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694,385.66 : 11,998,018.56 = 5,211,691.84 : x
  2. Step 2: Convert to fraction form
    8,694,385.66/11,998,018.56 = 5,211,691.84/x
  3. Step 3: Cross multiply
    8,694,385.66x = 11,998,018.56 × 5,211,691.84
  4. Step 4: Simplify right side
    8,694,385.66x = 62,529,975,425,320.55
  5. Step 5: Solve for x
    x = 62,529,975,425,320.55/8,694,385.66
  6. Step 6: Final answer
    x = 7,191,994.68

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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.