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Finding the Fourth Proportional to 16,402,607.30, 24,603,910.95 and 12,151,079.30

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Solution

The fourth proportional to 16,402,607.30, 24,603,910.95 and 12,151,079.30 is: 18,226,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402,607.30 : 24,603,910.95 = 12,151,079.30 : x
  2. Step 2: Convert to fraction form
    16,402,607.30/24,603,910.95 = 12,151,079.30/x
  3. Step 3: Cross multiply
    16,402,607.30x = 24,603,910.95 × 12,151,079.30
  4. Step 4: Simplify right side
    16,402,607.30x = 298,964,073,043,588.38
  5. Step 5: Solve for x
    x = 298,964,073,043,588.38/16,402,607.30
  6. Step 6: Final answer
    x = 18,226,618.95

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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.