Home / 39,153,795.64-54,032,209.86-21,751,768.60

Finding the Fourth Proportional to 39,153,795.64, 54,032,209.86 and 21,751,768.60

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Solution

The fourth proportional to 39,153,795.64, 54,032,209.86 and 21,751,768.60 is: 30,017,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153,795.64 : 54,032,209.86 = 21,751,768.60 : x
  2. Step 2: Convert to fraction form
    39,153,795.64/54,032,209.86 = 21,751,768.60/x
  3. Step 3: Cross multiply
    39,153,795.64x = 54,032,209.86 × 21,751,768.60
  4. Step 4: Simplify right side
    39,153,795.64x = 1,175,296,125,821,358.50
  5. Step 5: Solve for x
    x = 1,175,296,125,821,358.50/39,153,795.64
  6. Step 6: Final answer
    x = 30,017,425.04

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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.