Home / 39,280,839-54,211,796.56-21,641,544.04

Finding the Fourth Proportional to 39,280,839, 54,211,796.56 and 21,641,544.04

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Solution

The fourth proportional to 39,280,839, 54,211,796.56 and 21,641,544.04 is: 29,867,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280,839 : 54,211,796.56 = 21,641,544.04 : x
  2. Step 2: Convert to fraction form
    39,280,839/54,211,796.56 = 21,641,544.04/x
  3. Step 3: Cross multiply
    39,280,839x = 54,211,796.56 × 21,641,544.04
  4. Step 4: Simplify right side
    39,280,839x = 1,173,226,982,740,760.50
  5. Step 5: Solve for x
    x = 1,173,226,982,740,760.50/39,280,839
  6. Step 6: Final answer
    x = 29,867,666.08

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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.