Home / 20,731,137.10-31,096,705.66-10,653,441.10

Finding the Fourth Proportional to 20,731,137.10, 31,096,705.66 and 10,653,441.10

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Solution

The fourth proportional to 20,731,137.10, 31,096,705.66 and 10,653,441.10 is: 15,980,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731,137.10 : 31,096,705.66 = 10,653,441.10 : x
  2. Step 2: Convert to fraction form
    20,731,137.10/31,096,705.66 = 10,653,441.10/x
  3. Step 3: Cross multiply
    20,731,137.10x = 31,096,705.66 × 10,653,441.10
  4. Step 4: Simplify right side
    20,731,137.10x = 331,286,922,152,846.62
  5. Step 5: Solve for x
    x = 331,286,922,152,846.62/20,731,137.10
  6. Step 6: Final answer
    x = 15,980,161.66

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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.