Home / 39,600,646.53-54,647,916.78-21,959,451.60

Finding the Fourth Proportional to 39,600,646.53, 54,647,916.78 and 21,959,451.60

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Solution

The fourth proportional to 39,600,646.53, 54,647,916.78 and 21,959,451.60 is: 30,303,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600,646.53 : 54,647,916.78 = 21,959,451.60 : x
  2. Step 2: Convert to fraction form
    39,600,646.53/54,647,916.78 = 21,959,451.60/x
  3. Step 3: Cross multiply
    39,600,646.53x = 54,647,916.78 × 21,959,451.60
  4. Step 4: Simplify right side
    39,600,646.53x = 1,200,038,283,571,238
  5. Step 5: Solve for x
    x = 1,200,038,283,571,238/39,600,646.53
  6. Step 6: Final answer
    x = 30,303,502.31

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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.