Home / 10,856,014.80-16,284,022.20-5,187,310.80

Finding the Fourth Proportional to 10,856,014.80, 16,284,022.20 and 5,187,310.80

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Solution

The fourth proportional to 10,856,014.80, 16,284,022.20 and 5,187,310.80 is: 7,780,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,014.80 : 16,284,022.20 = 5,187,310.80 : x
  2. Step 2: Convert to fraction form
    10,856,014.80/16,284,022.20 = 5,187,310.80/x
  3. Step 3: Cross multiply
    10,856,014.80x = 16,284,022.20 × 5,187,310.80
  4. Step 4: Simplify right side
    10,856,014.80x = 84,470,284,225,499.75
  5. Step 5: Solve for x
    x = 84,470,284,225,499.75/10,856,014.80
  6. Step 6: Final answer
    x = 7,780,966.20

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1.5x scale

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.