Home / 10,493,361.69-15,740,457.26-2,920,989.21

Finding the Fourth Proportional to 10,493,361.69, 15,740,457.26 and 2,920,989.21

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Solution

The fourth proportional to 10,493,361.69, 15,740,457.26 and 2,920,989.21 is: 4,381,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493,361.69 : 15,740,457.26 = 2,920,989.21 : x
  2. Step 2: Convert to fraction form
    10,493,361.69/15,740,457.26 = 2,920,989.21/x
  3. Step 3: Cross multiply
    10,493,361.69x = 15,740,457.26 × 2,920,989.21
  4. Step 4: Simplify right side
    10,493,361.69x = 45,977,705,802,321.22
  5. Step 5: Solve for x
    x = 45,977,705,802,321.22/10,493,361.69
  6. Step 6: Final answer
    x = 4,381,599.26

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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.