Home / 14,659,940.80-21,989,911.20-10,124,977.60

Finding the Fourth Proportional to 14,659,940.80, 21,989,911.20 and 10,124,977.60

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Solution

The fourth proportional to 14,659,940.80, 21,989,911.20 and 10,124,977.60 is: 15,187,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659,940.80 : 21,989,911.20 = 10,124,977.60 : x
  2. Step 2: Convert to fraction form
    14,659,940.80/21,989,911.20 = 10,124,977.60/x
  3. Step 3: Cross multiply
    14,659,940.80x = 21,989,911.20 × 10,124,977.60
  4. Step 4: Simplify right side
    14,659,940.80x = 222,647,358,325,989.09
  5. Step 5: Solve for x
    x = 222,647,358,325,989.09/14,659,940.80
  6. Step 6: Final answer
    x = 15,187,466.40

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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.