Home / 39,600,656.52-54,647,930.58-21,959,461.60

Finding the Fourth Proportional to 39,600,656.52, 54,647,930.58 and 21,959,461.60

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Solution

The fourth proportional to 39,600,656.52, 54,647,930.58 and 21,959,461.60 is: 30,303,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600,656.52 : 54,647,930.58 = 21,959,461.60 : x
  2. Step 2: Convert to fraction form
    39,600,656.52/54,647,930.58 = 21,959,461.60/x
  3. Step 3: Cross multiply
    39,600,656.52x = 54,647,930.58 × 21,959,461.60
  4. Step 4: Simplify right side
    39,600,656.52x = 1,200,039,133,090,975.75
  5. Step 5: Solve for x
    x = 1,200,039,133,090,975.75/39,600,656.52
  6. Step 6: Final answer
    x = 30,303,516.12

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1.5x scale

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.