Home / 8,189,636.40-12,236,480.84-7,903,227.22

Finding the Fourth Proportional to 8,189,636.40, 12,236,480.84 and 7,903,227.22

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Solution

The fourth proportional to 8,189,636.40, 12,236,480.84 and 7,903,227.22 is: 11,808,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,636.40 : 12,236,480.84 = 7,903,227.22 : x
  2. Step 2: Convert to fraction form
    8,189,636.40/12,236,480.84 = 7,903,227.22/x
  3. Step 3: Cross multiply
    8,189,636.40x = 12,236,480.84 × 7,903,227.22
  4. Step 4: Simplify right side
    8,189,636.40x = 96,707,688,440,863.33
  5. Step 5: Solve for x
    x = 96,707,688,440,863.33/8,189,636.40
  6. Step 6: Final answer
    x = 11,808,544.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.