Home / 13,238,143.92-19,858,359.60-3,653,524.08

Finding the Fourth Proportional to 13,238,143.92, 19,858,359.60 and 3,653,524.08

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Solution

The fourth proportional to 13,238,143.92, 19,858,359.60 and 3,653,524.08 is: 5,480,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,143.92 : 19,858,359.60 = 3,653,524.08 : x
  2. Step 2: Convert to fraction form
    13,238,143.92/19,858,359.60 = 3,653,524.08/x
  3. Step 3: Cross multiply
    13,238,143.92x = 19,858,359.60 × 3,653,524.08
  4. Step 4: Simplify right side
    13,238,143.92x = 72,552,994,987,899.17
  5. Step 5: Solve for x
    x = 72,552,994,987,899.17/13,238,143.92
  6. Step 6: Final answer
    x = 5,480,601.77

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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.