Home / 39,196,651.64-54,088,571.45-21,556,796.25

Finding the Fourth Proportional to 39,196,651.64, 54,088,571.45 and 21,556,796.25

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Solution

The fourth proportional to 39,196,651.64, 54,088,571.45 and 21,556,796.25 is: 29,746,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,196,651.64 : 54,088,571.45 = 21,556,796.25 : x
  2. Step 2: Convert to fraction form
    39,196,651.64/54,088,571.45 = 21,556,796.25/x
  3. Step 3: Cross multiply
    39,196,651.64x = 54,088,571.45 × 21,556,796.25
  4. Step 4: Simplify right side
    39,196,651.64x = 1,165,976,314,255,109
  5. Step 5: Solve for x
    x = 1,165,976,314,255,109/39,196,651.64
  6. Step 6: Final answer
    x = 29,746,834.62

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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.