Home / 13,656,872.90-20,485,309.35-9,352,200.80

Finding the Fourth Proportional to 13,656,872.90, 20,485,309.35 and 9,352,200.80

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Solution

The fourth proportional to 13,656,872.90, 20,485,309.35 and 9,352,200.80 is: 14,028,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,872.90 : 20,485,309.35 = 9,352,200.80 : x
  2. Step 2: Convert to fraction form
    13,656,872.90/20,485,309.35 = 9,352,200.80/x
  3. Step 3: Cross multiply
    13,656,872.90x = 20,485,309.35 × 9,352,200.80
  4. Step 4: Simplify right side
    13,656,872.90x = 191,582,726,491,317.50
  5. Step 5: Solve for x
    x = 191,582,726,491,317.50/13,656,872.90
  6. Step 6: Final answer
    x = 14,028,301.20

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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.