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Finding the Fourth Proportional to 16,610,830.40, 24,889,418.40 and 9,400,923.20

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Solution

The fourth proportional to 16,610,830.40, 24,889,418.40 and 9,400,923.20 is: 14,086,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610,830.40 : 24,889,418.40 = 9,400,923.20 : x
  2. Step 2: Convert to fraction form
    16,610,830.40/24,889,418.40 = 9,400,923.20/x
  3. Step 3: Cross multiply
    16,610,830.40x = 24,889,418.40 × 9,400,923.20
  4. Step 4: Simplify right side
    16,610,830.40x = 233,983,510,871,066.84
  5. Step 5: Solve for x
    x = 233,983,510,871,066.84/16,610,830.40
  6. Step 6: Final answer
    x = 14,086,201.91

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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.