Home / 8,789,433.40-13,184,806.20-3,108,919.60

Finding the Fourth Proportional to 8,789,433.40, 13,184,806.20 and 3,108,919.60

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Solution

The fourth proportional to 8,789,433.40, 13,184,806.20 and 3,108,919.60 is: 4,663,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,433.40 : 13,184,806.20 = 3,108,919.60 : x
  2. Step 2: Convert to fraction form
    8,789,433.40/13,184,806.20 = 3,108,919.60/x
  3. Step 3: Cross multiply
    8,789,433.40x = 13,184,806.20 × 3,108,919.60
  4. Step 4: Simplify right side
    8,789,433.40x = 40,990,502,417,381.52
  5. Step 5: Solve for x
    x = 40,990,502,417,381.52/8,789,433.40
  6. Step 6: Final answer
    x = 4,663,611.47

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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.