Home / 8,172,912.60-12,259,368.90-4,585,685.85

Finding the Fourth Proportional to 8,172,912.60, 12,259,368.90 and 4,585,685.85

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Solution

The fourth proportional to 8,172,912.60, 12,259,368.90 and 4,585,685.85 is: 6,878,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,912.60 : 12,259,368.90 = 4,585,685.85 : x
  2. Step 2: Convert to fraction form
    8,172,912.60/12,259,368.90 = 4,585,685.85/x
  3. Step 3: Cross multiply
    8,172,912.60x = 12,259,368.90 × 4,585,685.85
  4. Step 4: Simplify right side
    8,172,912.60x = 56,217,614,494,660.06
  5. Step 5: Solve for x
    x = 56,217,614,494,660.06/8,172,912.60
  6. Step 6: Final answer
    x = 6,878,528.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.