Home / 10,892,121.30-16,302,752.55-8,482,922.10

Finding the Fourth Proportional to 10,892,121.30, 16,302,752.55 and 8,482,922.10

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Solution

The fourth proportional to 10,892,121.30, 16,302,752.55 and 8,482,922.10 is: 12,696,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,121.30 : 16,302,752.55 = 8,482,922.10 : x
  2. Step 2: Convert to fraction form
    10,892,121.30/16,302,752.55 = 8,482,922.10/x
  3. Step 3: Cross multiply
    10,892,121.30x = 16,302,752.55 × 8,482,922.10
  4. Step 4: Simplify right side
    10,892,121.30x = 138,294,979,897,226.36
  5. Step 5: Solve for x
    x = 138,294,979,897,226.36/10,892,121.30
  6. Step 6: Final answer
    x = 12,696,790.28

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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.