Home / 30,413,976-41,960,953.44-17,351,851.20

Finding the Fourth Proportional to 30,413,976, 41,960,953.44 and 17,351,851.20

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Solution

The fourth proportional to 30,413,976, 41,960,953.44 and 17,351,851.20 is: 23,939,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413,976 : 41,960,953.44 = 17,351,851.20 : x
  2. Step 2: Convert to fraction form
    30,413,976/41,960,953.44 = 17,351,851.20/x
  3. Step 3: Cross multiply
    30,413,976x = 41,960,953.44 × 17,351,851.20
  4. Step 4: Simplify right side
    30,413,976x = 728,100,220,301,008
  5. Step 5: Solve for x
    x = 728,100,220,301,008/30,413,976
  6. Step 6: Final answer
    x = 23,939,659.20

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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.