Home / 8,768,064.20-12,103,659.78-5,331,409.16

Finding the Fourth Proportional to 8,768,064.20, 12,103,659.78 and 5,331,409.16

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Solution

The fourth proportional to 8,768,064.20, 12,103,659.78 and 5,331,409.16 is: 7,359,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,064.20 : 12,103,659.78 = 5,331,409.16 : x
  2. Step 2: Convert to fraction form
    8,768,064.20/12,103,659.78 = 5,331,409.16/x
  3. Step 3: Cross multiply
    8,768,064.20x = 12,103,659.78 × 5,331,409.16
  4. Step 4: Simplify right side
    8,768,064.20x = 64,529,562,620,615.59
  5. Step 5: Solve for x
    x = 64,529,562,620,615.59/8,768,064.20
  6. Step 6: Final answer
    x = 7,359,613.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.