Home / 8,131,789.60-11,221,764.96-4,647,088.47

Finding the Fourth Proportional to 8,131,789.60, 11,221,764.96 and 4,647,088.47

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Solution

The fourth proportional to 8,131,789.60, 11,221,764.96 and 4,647,088.47 is: 6,412,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,789.60 : 11,221,764.96 = 4,647,088.47 : x
  2. Step 2: Convert to fraction form
    8,131,789.60/11,221,764.96 = 4,647,088.47/x
  3. Step 3: Cross multiply
    8,131,789.60x = 11,221,764.96 × 4,647,088.47
  4. Step 4: Simplify right side
    8,131,789.60x = 52,148,534,558,666.02
  5. Step 5: Solve for x
    x = 52,148,534,558,666.02/8,131,789.60
  6. Step 6: Final answer
    x = 6,412,922.26

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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.