Home / 8,689,276.20-11,990,228.04-4,821,960.36

Finding the Fourth Proportional to 8,689,276.20, 11,990,228.04 and 4,821,960.36

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Solution

The fourth proportional to 8,689,276.20, 11,990,228.04 and 4,821,960.36 is: 6,653,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,276.20 : 11,990,228.04 = 4,821,960.36 : x
  2. Step 2: Convert to fraction form
    8,689,276.20/11,990,228.04 = 4,821,960.36/x
  3. Step 3: Cross multiply
    8,689,276.20x = 11,990,228.04 × 4,821,960.36
  4. Step 4: Simplify right side
    8,689,276.20x = 57,816,404,316,240.49
  5. Step 5: Solve for x
    x = 57,816,404,316,240.49/8,689,276.20
  6. Step 6: Final answer
    x = 6,653,765.28

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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.