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Finding the Fourth Proportional to 16,610,912.40, 24,889,541.40 and 9,401,005.20

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Solution

The fourth proportional to 16,610,912.40, 24,889,541.40 and 9,401,005.20 is: 14,086,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610,912.40 : 24,889,541.40 = 9,401,005.20 : x
  2. Step 2: Convert to fraction form
    16,610,912.40/24,889,541.40 = 9,401,005.20/x
  3. Step 3: Cross multiply
    16,610,912.40x = 24,889,541.40 × 9,401,005.20
  4. Step 4: Simplify right side
    16,610,912.40x = 233,986,708,127,015.25
  5. Step 5: Solve for x
    x = 233,986,708,127,015.25/16,610,912.40
  6. Step 6: Final answer
    x = 14,086,324.85

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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.