Home / 8,120,561.52-11,206,228.50-4,815,080.52

Finding the Fourth Proportional to 8,120,561.52, 11,206,228.50 and 4,815,080.52

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Solution

The fourth proportional to 8,120,561.52, 11,206,228.50 and 4,815,080.52 is: 6,644,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,561.52 : 11,206,228.50 = 4,815,080.52 : x
  2. Step 2: Convert to fraction form
    8,120,561.52/11,206,228.50 = 4,815,080.52/x
  3. Step 3: Cross multiply
    8,120,561.52x = 11,206,228.50 × 4,815,080.52
  4. Step 4: Simplify right side
    8,120,561.52x = 53,958,892,553,018.81
  5. Step 5: Solve for x
    x = 53,958,892,553,018.81/8,120,561.52
  6. Step 6: Final answer
    x = 6,644,724.31

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1.5x scale

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.