Home / 38,851,766.91-53,614,757.48-21,447,664.47

Finding the Fourth Proportional to 38,851,766.91, 53,614,757.48 and 21,447,664.47

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Solution

The fourth proportional to 38,851,766.91, 53,614,757.48 and 21,447,664.47 is: 29,597,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851,766.91 : 53,614,757.48 = 21,447,664.47 : x
  2. Step 2: Convert to fraction form
    38,851,766.91/53,614,757.48 = 21,447,664.47/x
  3. Step 3: Cross multiply
    38,851,766.91x = 53,614,757.48 × 21,447,664.47
  4. Step 4: Simplify right side
    38,851,766.91x = 1,149,911,328,964,224.50
  5. Step 5: Solve for x
    x = 1,149,911,328,964,224.50/38,851,766.91
  6. Step 6: Final answer
    x = 29,597,401.11

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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.