Home / 8,736,043.20-13,104,064.80-8,568,081.60

Finding the Fourth Proportional to 8,736,043.20, 13,104,064.80 and 8,568,081.60

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Solution

The fourth proportional to 8,736,043.20, 13,104,064.80 and 8,568,081.60 is: 12,852,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,043.20 : 13,104,064.80 = 8,568,081.60 : x
  2. Step 2: Convert to fraction form
    8,736,043.20/13,104,064.80 = 8,568,081.60/x
  3. Step 3: Cross multiply
    8,736,043.20x = 13,104,064.80 × 8,568,081.60
  4. Step 4: Simplify right side
    8,736,043.20x = 112,276,696,498,087.69
  5. Step 5: Solve for x
    x = 112,276,696,498,087.69/8,736,043.20
  6. Step 6: Final answer
    x = 12,852,122.40

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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.