Home / 39,599,718.20-54,647,732.55-21,959,862.80

Finding the Fourth Proportional to 39,599,718.20, 54,647,732.55 and 21,959,862.80

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Solution

The fourth proportional to 39,599,718.20, 54,647,732.55 and 21,959,862.80 is: 30,304,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599,718.20 : 54,647,732.55 = 21,959,862.80 : x
  2. Step 2: Convert to fraction form
    39,599,718.20/54,647,732.55 = 21,959,862.80/x
  3. Step 3: Cross multiply
    39,599,718.20x = 54,647,732.55 × 21,959,862.80
  4. Step 4: Simplify right side
    39,599,718.20x = 1,200,056,709,445,281.75
  5. Step 5: Solve for x
    x = 1,200,056,709,445,281.75/39,599,718.20
  6. Step 6: Final answer
    x = 30,304,678.01

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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.