Home / 19,159,438.40-28,739,157.60-17,591,796.80

Finding the Fourth Proportional to 19,159,438.40, 28,739,157.60 and 17,591,796.80

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Solution

The fourth proportional to 19,159,438.40, 28,739,157.60 and 17,591,796.80 is: 26,387,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,438.40 : 28,739,157.60 = 17,591,796.80 : x
  2. Step 2: Convert to fraction form
    19,159,438.40/28,739,157.60 = 17,591,796.80/x
  3. Step 3: Cross multiply
    19,159,438.40x = 28,739,157.60 × 17,591,796.80
  4. Step 4: Simplify right side
    19,159,438.40x = 505,573,420,702,375.75
  5. Step 5: Solve for x
    x = 505,573,420,702,375.75/19,159,438.40
  6. Step 6: Final answer
    x = 26,387,695.20

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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.