Home / 9,147,906-13,722,143.58-3,392,071.92

Finding the Fourth Proportional to 9,147,906, 13,722,143.58 and 3,392,071.92

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Solution

The fourth proportional to 9,147,906, 13,722,143.58 and 3,392,071.92 is: 5,088,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147,906 : 13,722,143.58 = 3,392,071.92 : x
  2. Step 2: Convert to fraction form
    9,147,906/13,722,143.58 = 3,392,071.92/x
  3. Step 3: Cross multiply
    9,147,906x = 13,722,143.58 × 3,392,071.92
  4. Step 4: Simplify right side
    9,147,906x = 46,546,497,919,926.27
  5. Step 5: Solve for x
    x = 46,546,497,919,926.27/9,147,906
  6. Step 6: Final answer
    x = 5,088,213.40

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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.