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Finding the Fourth Proportional to 22,143,298.40, 33,228,944.40 and 13,045,378.40

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Solution

The fourth proportional to 22,143,298.40, 33,228,944.40 and 13,045,378.40 is: 19,576,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,298.40 : 33,228,944.40 = 13,045,378.40 : x
  2. Step 2: Convert to fraction form
    22,143,298.40/33,228,944.40 = 13,045,378.40/x
  3. Step 3: Cross multiply
    22,143,298.40x = 33,228,944.40 × 13,045,378.40
  4. Step 4: Simplify right side
    22,143,298.40x = 433,484,153,530,560.94
  5. Step 5: Solve for x
    x = 433,484,153,530,560.94/22,143,298.40
  6. Step 6: Final answer
    x = 19,576,313.60

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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.