Home / 8,122,817.81-12,184,132.78-1,974,834.30

Finding the Fourth Proportional to 8,122,817.81, 12,184,132.78 and 1,974,834.30

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Solution

The fourth proportional to 8,122,817.81, 12,184,132.78 and 1,974,834.30 is: 2,962,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,817.81 : 12,184,132.78 = 1,974,834.30 : x
  2. Step 2: Convert to fraction form
    8,122,817.81/12,184,132.78 = 1,974,834.30/x
  3. Step 3: Cross multiply
    8,122,817.81x = 12,184,132.78 × 1,974,834.30
  4. Step 4: Simplify right side
    8,122,817.81x = 24,061,643,329,698.35
  5. Step 5: Solve for x
    x = 24,061,643,329,698.35/8,122,817.81
  6. Step 6: Final answer
    x = 2,962,228.61

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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.