Home / 10,892,555.10-16,338,832.65-9,191,943.90

Finding the Fourth Proportional to 10,892,555.10, 16,338,832.65 and 9,191,943.90

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Solution

The fourth proportional to 10,892,555.10, 16,338,832.65 and 9,191,943.90 is: 13,787,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,555.10 : 16,338,832.65 = 9,191,943.90 : x
  2. Step 2: Convert to fraction form
    10,892,555.10/16,338,832.65 = 9,191,943.90/x
  3. Step 3: Cross multiply
    10,892,555.10x = 16,338,832.65 × 9,191,943.90
  4. Step 4: Simplify right side
    10,892,555.10x = 150,185,633,110,288.34
  5. Step 5: Solve for x
    x = 150,185,633,110,288.34/10,892,555.10
  6. Step 6: Final answer
    x = 13,787,915.85

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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.