Home / 7,646,774.72-11,470,392.16-1,889,508.02

Finding the Fourth Proportional to 7,646,774.72, 11,470,392.16 and 1,889,508.02

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Solution

The fourth proportional to 7,646,774.72, 11,470,392.16 and 1,889,508.02 is: 2,834,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646,774.72 : 11,470,392.16 = 1,889,508.02 : x
  2. Step 2: Convert to fraction form
    7,646,774.72/11,470,392.16 = 1,889,508.02/x
  3. Step 3: Cross multiply
    7,646,774.72x = 11,470,392.16 × 1,889,508.02
  4. Step 4: Simplify right side
    7,646,774.72x = 21,673,397,916,789.39
  5. Step 5: Solve for x
    x = 21,673,397,916,789.39/7,646,774.72
  6. Step 6: Final answer
    x = 2,834,318.88

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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.