Home / 39,153,794.64-54,032,208.48-21,751,767.60

Finding the Fourth Proportional to 39,153,794.64, 54,032,208.48 and 21,751,767.60

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Solution

The fourth proportional to 39,153,794.64, 54,032,208.48 and 21,751,767.60 is: 30,017,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153,794.64 : 54,032,208.48 = 21,751,767.60 : x
  2. Step 2: Convert to fraction form
    39,153,794.64/54,032,208.48 = 21,751,767.60/x
  3. Step 3: Cross multiply
    39,153,794.64x = 54,032,208.48 × 21,751,767.60
  4. Step 4: Simplify right side
    39,153,794.64x = 1,175,296,041,771,709.25
  5. Step 5: Solve for x
    x = 1,175,296,041,771,709.25/39,153,794.64
  6. Step 6: Final answer
    x = 30,017,423.66

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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.