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Finding the Fourth Proportional to 14,968,796.40, 20,656,969.20 and 8,093,278.80

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Solution

The fourth proportional to 14,968,796.40, 20,656,969.20 and 8,093,278.80 is: 11,168,741.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968,796.40 : 20,656,969.20 = 8,093,278.80 : x
  2. Step 2: Convert to fraction form
    14,968,796.40/20,656,969.20 = 8,093,278.80/x
  3. Step 3: Cross multiply
    14,968,796.40x = 20,656,969.20 × 8,093,278.80
  4. Step 4: Simplify right side
    14,968,796.40x = 167,182,610,898,612.94
  5. Step 5: Solve for x
    x = 167,182,610,898,612.94/14,968,796.40
  6. Step 6: Final answer
    x = 11,168,741.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.