Home / 12,469,303.11-17,219,521.88-11,789,981.12

Finding the Fourth Proportional to 12,469,303.11, 17,219,521.88 and 11,789,981.12

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Solution

The fourth proportional to 12,469,303.11, 17,219,521.88 and 11,789,981.12 is: 16,281,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,303.11 : 17,219,521.88 = 11,789,981.12 : x
  2. Step 2: Convert to fraction form
    12,469,303.11/17,219,521.88 = 11,789,981.12/x
  3. Step 3: Cross multiply
    12,469,303.11x = 17,219,521.88 × 11,789,981.12
  4. Step 4: Simplify right side
    12,469,303.11x = 203,017,837,715,579.41
  5. Step 5: Solve for x
    x = 203,017,837,715,579.41/12,469,303.11
  6. Step 6: Final answer
    x = 16,281,410.11

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Why These Related Problems?

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