Home / 6,813,626.40-9,403,369.56-3,913,576.92

Finding the Fourth Proportional to 6,813,626.40, 9,403,369.56 and 3,913,576.92

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Solution

The fourth proportional to 6,813,626.40, 9,403,369.56 and 3,913,576.92 is: 5,401,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813,626.40 : 9,403,369.56 = 3,913,576.92 : x
  2. Step 2: Convert to fraction form
    6,813,626.40/9,403,369.56 = 3,913,576.92/x
  3. Step 3: Cross multiply
    6,813,626.40x = 9,403,369.56 × 3,913,576.92
  4. Step 4: Simplify right side
    6,813,626.40x = 36,800,810,080,246.55
  5. Step 5: Solve for x
    x = 36,800,810,080,246.55/6,813,626.40
  6. Step 6: Final answer
    x = 5,401,060.75

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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.