Home / 18,575,138.48-27,859,468.94-4,929,664.46

Finding the Fourth Proportional to 18,575,138.48, 27,859,468.94 and 4,929,664.46

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Solution

The fourth proportional to 18,575,138.48, 27,859,468.94 and 4,929,664.46 is: 7,393,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575,138.48 : 27,859,468.94 = 4,929,664.46 : x
  2. Step 2: Convert to fraction form
    18,575,138.48/27,859,468.94 = 4,929,664.46/x
  3. Step 3: Cross multiply
    18,575,138.48x = 27,859,468.94 × 4,929,664.46
  4. Step 4: Simplify right side
    18,575,138.48x = 137,337,833,883,343.55
  5. Step 5: Solve for x
    x = 137,337,833,883,343.55/18,575,138.48
  6. Step 6: Final answer
    x = 7,393,637.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.