Home / 10,778,891.10-16,168,336.65-6,952,515.90

Finding the Fourth Proportional to 10,778,891.10, 16,168,336.65 and 6,952,515.90

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Solution

The fourth proportional to 10,778,891.10, 16,168,336.65 and 6,952,515.90 is: 10,428,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,891.10 : 16,168,336.65 = 6,952,515.90 : x
  2. Step 2: Convert to fraction form
    10,778,891.10/16,168,336.65 = 6,952,515.90/x
  3. Step 3: Cross multiply
    10,778,891.10x = 16,168,336.65 × 6,952,515.90
  4. Step 4: Simplify right side
    10,778,891.10x = 112,410,617,635,677.75
  5. Step 5: Solve for x
    x = 112,410,617,635,677.75/10,778,891.10
  6. Step 6: Final answer
    x = 10,428,773.85

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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.