Home / 7,812,101.85-10,780,786.74-4,327,494

Finding the Fourth Proportional to 7,812,101.85, 10,780,786.74 and 4,327,494

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Solution

The fourth proportional to 7,812,101.85, 10,780,786.74 and 4,327,494 is: 5,971,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,101.85 : 10,780,786.74 = 4,327,494 : x
  2. Step 2: Convert to fraction form
    7,812,101.85/10,780,786.74 = 4,327,494/x
  3. Step 3: Cross multiply
    7,812,101.85x = 10,780,786.74 × 4,327,494
  4. Step 4: Simplify right side
    7,812,101.85x = 46,653,789,932,629.56
  5. Step 5: Solve for x
    x = 46,653,789,932,629.56/7,812,101.85
  6. Step 6: Final answer
    x = 5,971,989.46

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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.