Home / 10,865,167.80-16,285,847.70-5,465,206.20

Finding the Fourth Proportional to 10,865,167.80, 16,285,847.70 and 5,465,206.20

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Solution

The fourth proportional to 10,865,167.80, 16,285,847.70 and 5,465,206.20 is: 8,191,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,167.80 : 16,285,847.70 = 5,465,206.20 : x
  2. Step 2: Convert to fraction form
    10,865,167.80/16,285,847.70 = 5,465,206.20/x
  3. Step 3: Cross multiply
    10,865,167.80x = 16,285,847.70 × 5,465,206.20
  4. Step 4: Simplify right side
    10,865,167.80x = 89,005,515,822,295.73
  5. Step 5: Solve for x
    x = 89,005,515,822,295.73/10,865,167.80
  6. Step 6: Final answer
    x = 8,191,821.56

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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.