Home / 38,839,591.44-53,598,749.85-21,198,656.52

Finding the Fourth Proportional to 38,839,591.44, 53,598,749.85 and 21,198,656.52

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Solution

The fourth proportional to 38,839,591.44, 53,598,749.85 and 21,198,656.52 is: 29,254,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,591.44 : 53,598,749.85 = 21,198,656.52 : x
  2. Step 2: Convert to fraction form
    38,839,591.44/53,598,749.85 = 21,198,656.52/x
  3. Step 3: Cross multiply
    38,839,591.44x = 53,598,749.85 × 21,198,656.52
  4. Step 4: Simplify right side
    38,839,591.44x = 1,136,221,487,971,551.50
  5. Step 5: Solve for x
    x = 1,136,221,487,971,551.50/38,839,591.44
  6. Step 6: Final answer
    x = 29,254,208.03

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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.