Home / 10,691,990.10-16,037,178.63-3,405,155.34

Finding the Fourth Proportional to 10,691,990.10, 16,037,178.63 and 3,405,155.34

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Solution

The fourth proportional to 10,691,990.10, 16,037,178.63 and 3,405,155.34 is: 5,107,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,990.10 : 16,037,178.63 = 3,405,155.34 : x
  2. Step 2: Convert to fraction form
    10,691,990.10/16,037,178.63 = 3,405,155.34/x
  3. Step 3: Cross multiply
    10,691,990.10x = 16,037,178.63 × 3,405,155.34
  4. Step 4: Simplify right side
    10,691,990.10x = 54,609,084,450,478.38
  5. Step 5: Solve for x
    x = 54,609,084,450,478.38/10,691,990.10
  6. Step 6: Final answer
    x = 5,107,476.15

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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.