Home / 38,852,238.72-53,614,681.20-21,448,209.36

Finding the Fourth Proportional to 38,852,238.72, 53,614,681.20 and 21,448,209.36

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Solution

The fourth proportional to 38,852,238.72, 53,614,681.20 and 21,448,209.36 is: 29,597,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852,238.72 : 53,614,681.20 = 21,448,209.36 : x
  2. Step 2: Convert to fraction form
    38,852,238.72/53,614,681.20 = 21,448,209.36/x
  3. Step 3: Cross multiply
    38,852,238.72x = 53,614,681.20 × 21,448,209.36
  4. Step 4: Simplify right side
    38,852,238.72x = 1,149,938,907,147,256
  5. Step 5: Solve for x
    x = 1,149,938,907,147,256/38,852,238.72
  6. Step 6: Final answer
    x = 29,597,751.51

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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.