Home / 13,199,763.20-19,799,644.80-9,840,531.20

Finding the Fourth Proportional to 13,199,763.20, 19,799,644.80 and 9,840,531.20

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Solution

The fourth proportional to 13,199,763.20, 19,799,644.80 and 9,840,531.20 is: 14,760,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199,763.20 : 19,799,644.80 = 9,840,531.20 : x
  2. Step 2: Convert to fraction form
    13,199,763.20/19,799,644.80 = 9,840,531.20/x
  3. Step 3: Cross multiply
    13,199,763.20x = 19,799,644.80 × 9,840,531.20
  4. Step 4: Simplify right side
    13,199,763.20x = 194,839,022,403,317.75
  5. Step 5: Solve for x
    x = 194,839,022,403,317.75/13,199,763.20
  6. Step 6: Final answer
    x = 14,760,796.80

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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.