Home / 10,856,219.80-16,284,329.70-5,187,515.80

Finding the Fourth Proportional to 10,856,219.80, 16,284,329.70 and 5,187,515.80

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Solution

The fourth proportional to 10,856,219.80, 16,284,329.70 and 5,187,515.80 is: 7,781,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,219.80 : 16,284,329.70 = 5,187,515.80 : x
  2. Step 2: Convert to fraction form
    10,856,219.80/16,284,329.70 = 5,187,515.80/x
  3. Step 3: Cross multiply
    10,856,219.80x = 16,284,329.70 × 5,187,515.80
  4. Step 4: Simplify right side
    10,856,219.80x = 84,475,217,611,159.25
  5. Step 5: Solve for x
    x = 84,475,217,611,159.25/10,856,219.80
  6. Step 6: Final answer
    x = 7,781,273.70

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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.