Home / 8,809,586.31-13,213,848.44-5,238,081.36

Finding the Fourth Proportional to 8,809,586.31, 13,213,848.44 and 5,238,081.36

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Solution

The fourth proportional to 8,809,586.31, 13,213,848.44 and 5,238,081.36 is: 7,856,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,586.31 : 13,213,848.44 = 5,238,081.36 : x
  2. Step 2: Convert to fraction form
    8,809,586.31/13,213,848.44 = 5,238,081.36/x
  3. Step 3: Cross multiply
    8,809,586.31x = 13,213,848.44 × 5,238,081.36
  4. Step 4: Simplify right side
    8,809,586.31x = 69,215,213,207,429.08
  5. Step 5: Solve for x
    x = 69,215,213,207,429.08/8,809,586.31
  6. Step 6: Final answer
    x = 7,856,806.30

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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.