Home / 29,318,936.40-43,990,601.91-12,915,825.39

Finding the Fourth Proportional to 29,318,936.40, 43,990,601.91 and 12,915,825.39

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Solution

The fourth proportional to 29,318,936.40, 43,990,601.91 and 12,915,825.39 is: 19,379,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318,936.40 : 43,990,601.91 = 12,915,825.39 : x
  2. Step 2: Convert to fraction form
    29,318,936.40/43,990,601.91 = 12,915,825.39/x
  3. Step 3: Cross multiply
    29,318,936.40x = 43,990,601.91 × 12,915,825.39
  4. Step 4: Simplify right side
    29,318,936.40x = 568,174,933,070,560.50
  5. Step 5: Solve for x
    x = 568,174,933,070,560.50/29,318,936.40
  6. Step 6: Final answer
    x = 19,379,111.35

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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.