Home / 28,975,611.20-43,491,410.40-17,638,203.20

Finding the Fourth Proportional to 28,975,611.20, 43,491,410.40 and 17,638,203.20

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Solution

The fourth proportional to 28,975,611.20, 43,491,410.40 and 17,638,203.20 is: 26,474,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,611.20 : 43,491,410.40 = 17,638,203.20 : x
  2. Step 2: Convert to fraction form
    28,975,611.20/43,491,410.40 = 17,638,203.20/x
  3. Step 3: Cross multiply
    28,975,611.20x = 43,491,410.40 × 17,638,203.20
  4. Step 4: Simplify right side
    28,975,611.20x = 767,110,334,089,793.25
  5. Step 5: Solve for x
    x = 767,110,334,089,793.25/28,975,611.20
  6. Step 6: Final answer
    x = 26,474,345.23

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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.