Home / 16,781,431.80-25,172,147.70-7,683,511.80

Finding the Fourth Proportional to 16,781,431.80, 25,172,147.70 and 7,683,511.80

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Solution

The fourth proportional to 16,781,431.80, 25,172,147.70 and 7,683,511.80 is: 11,525,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781,431.80 : 25,172,147.70 = 7,683,511.80 : x
  2. Step 2: Convert to fraction form
    16,781,431.80/25,172,147.70 = 7,683,511.80/x
  3. Step 3: Cross multiply
    16,781,431.80x = 25,172,147.70 × 7,683,511.80
  4. Step 4: Simplify right side
    16,781,431.80x = 193,410,493,884,292.84
  5. Step 5: Solve for x
    x = 193,410,493,884,292.84/16,781,431.80
  6. Step 6: Final answer
    x = 11,525,267.70

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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.