Home / 14,962,155.68-20,647,361.76-8,435,727.92

Finding the Fourth Proportional to 14,962,155.68, 20,647,361.76 and 8,435,727.92

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Solution

The fourth proportional to 14,962,155.68, 20,647,361.76 and 8,435,727.92 is: 11,641,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962,155.68 : 20,647,361.76 = 8,435,727.92 : x
  2. Step 2: Convert to fraction form
    14,962,155.68/20,647,361.76 = 8,435,727.92/x
  3. Step 3: Cross multiply
    14,962,155.68x = 20,647,361.76 × 8,435,727.92
  4. Step 4: Simplify right side
    14,962,155.68x = 174,175,526,073,172.34
  5. Step 5: Solve for x
    x = 174,175,526,073,172.34/14,962,155.68
  6. Step 6: Final answer
    x = 11,641,071.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.