Home / 8,146,291.83-12,219,437.76-2,081,036.89

Finding the Fourth Proportional to 8,146,291.83, 12,219,437.76 and 2,081,036.89

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Solution

The fourth proportional to 8,146,291.83, 12,219,437.76 and 2,081,036.89 is: 3,121,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146,291.83 : 12,219,437.76 = 2,081,036.89 : x
  2. Step 2: Convert to fraction form
    8,146,291.83/12,219,437.76 = 2,081,036.89/x
  3. Step 3: Cross multiply
    8,146,291.83x = 12,219,437.76 × 2,081,036.89
  4. Step 4: Simplify right side
    8,146,291.83x = 25,429,100,753,618.96
  5. Step 5: Solve for x
    x = 25,429,100,753,618.96/8,146,291.83
  6. Step 6: Final answer
    x = 3,121,555.34

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Similar ratio
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1.5x scale

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.