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Finding the Fourth Proportional to 16,404,415.70, 24,606,623.55 and 7,882,697.30

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Solution

The fourth proportional to 16,404,415.70, 24,606,623.55 and 7,882,697.30 is: 11,824,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,404,415.70 : 24,606,623.55 = 7,882,697.30 : x
  2. Step 2: Convert to fraction form
    16,404,415.70/24,606,623.55 = 7,882,697.30/x
  3. Step 3: Cross multiply
    16,404,415.70x = 24,606,623.55 × 7,882,697.30
  4. Step 4: Simplify right side
    16,404,415.70x = 193,966,565,019,701.41
  5. Step 5: Solve for x
    x = 193,966,565,019,701.41/16,404,415.70
  6. Step 6: Final answer
    x = 11,824,045.95

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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.