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Finding the Fourth Proportional to 22,314,921.03, 30,793,554.50 and 12,392,433.69

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Solution

The fourth proportional to 22,314,921.03, 30,793,554.50 and 12,392,433.69 is: 17,100,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,314,921.03 : 30,793,554.50 = 12,392,433.69 : x
  2. Step 2: Convert to fraction form
    22,314,921.03/30,793,554.50 = 12,392,433.69/x
  3. Step 3: Cross multiply
    22,314,921.03x = 30,793,554.50 × 12,392,433.69
  4. Step 4: Simplify right side
    22,314,921.03x = 381,607,082,158,688.94
  5. Step 5: Solve for x
    x = 381,607,082,158,688.94/22,314,921.03
  6. Step 6: Final answer
    x = 17,100,982.86

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1.5x scale

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.