Home / 8,136,478-12,204,320.10-3,019,903.48

Finding the Fourth Proportional to 8,136,478, 12,204,320.10 and 3,019,903.48

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Solution

The fourth proportional to 8,136,478, 12,204,320.10 and 3,019,903.48 is: 4,529,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136,478 : 12,204,320.10 = 3,019,903.48 : x
  2. Step 2: Convert to fraction form
    8,136,478/12,204,320.10 = 3,019,903.48/x
  3. Step 3: Cross multiply
    8,136,478x = 12,204,320.10 × 3,019,903.48
  4. Step 4: Simplify right side
    8,136,478x = 36,855,868,741,023.95
  5. Step 5: Solve for x
    x = 36,855,868,741,023.95/8,136,478
  6. Step 6: Final answer
    x = 4,529,707.91

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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.