Home / 11,311,426.60-16,967,139.90-8,788,892.20

Finding the Fourth Proportional to 11,311,426.60, 16,967,139.90 and 8,788,892.20

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Solution

The fourth proportional to 11,311,426.60, 16,967,139.90 and 8,788,892.20 is: 13,183,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311,426.60 : 16,967,139.90 = 8,788,892.20 : x
  2. Step 2: Convert to fraction form
    11,311,426.60/16,967,139.90 = 8,788,892.20/x
  3. Step 3: Cross multiply
    11,311,426.60x = 16,967,139.90 × 8,788,892.20
  4. Step 4: Simplify right side
    11,311,426.60x = 149,122,363,523,418.75
  5. Step 5: Solve for x
    x = 149,122,363,523,418.75/11,311,426.60
  6. Step 6: Final answer
    x = 13,183,338.30

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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.