Home / 38,351,254.88-52,924,417.26-20,947,611.08

Finding the Fourth Proportional to 38,351,254.88, 52,924,417.26 and 20,947,611.08

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Solution

The fourth proportional to 38,351,254.88, 52,924,417.26 and 20,947,611.08 is: 28,907,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351,254.88 : 52,924,417.26 = 20,947,611.08 : x
  2. Step 2: Convert to fraction form
    38,351,254.88/52,924,417.26 = 20,947,611.08/x
  3. Step 3: Cross multiply
    38,351,254.88x = 52,924,417.26 × 20,947,611.08
  4. Step 4: Simplify right side
    38,351,254.88x = 1,108,640,109,398,119.12
  5. Step 5: Solve for x
    x = 1,108,640,109,398,119.12/38,351,254.88
  6. Step 6: Final answer
    x = 28,907,531.52

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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.