Home / 6,789,670.46-9,369,991.17-3,889,621.86

Finding the Fourth Proportional to 6,789,670.46, 9,369,991.17 and 3,889,621.86

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Solution

The fourth proportional to 6,789,670.46, 9,369,991.17 and 3,889,621.86 is: 5,367,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,670.46 : 9,369,991.17 = 3,889,621.86 : x
  2. Step 2: Convert to fraction form
    6,789,670.46/9,369,991.17 = 3,889,621.86/x
  3. Step 3: Cross multiply
    6,789,670.46x = 9,369,991.17 × 3,889,621.86
  4. Step 4: Simplify right side
    6,789,670.46x = 36,445,722,447,701.51
  5. Step 5: Solve for x
    x = 36,445,722,447,701.51/6,789,670.46
  6. Step 6: Final answer
    x = 5,367,819.05

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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.