Home / 13,260,954.25-19,893,840.78-5,479,887.16

Finding the Fourth Proportional to 13,260,954.25, 19,893,840.78 and 5,479,887.16

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Solution

The fourth proportional to 13,260,954.25, 19,893,840.78 and 5,479,887.16 is: 8,220,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,954.25 : 19,893,840.78 = 5,479,887.16 : x
  2. Step 2: Convert to fraction form
    13,260,954.25/19,893,840.78 = 5,479,887.16/x
  3. Step 3: Cross multiply
    13,260,954.25x = 19,893,840.78 × 5,479,887.16
  4. Step 4: Simplify right side
    13,260,954.25x = 109,016,002,653,406.39
  5. Step 5: Solve for x
    x = 109,016,002,653,406.39/13,260,954.25
  6. Step 6: Final answer
    x = 8,220,826.39

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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.