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Finding the Fourth Proportional to 26,598,843.45, 39,867,264.45 and 12,223,364.40

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Solution

The fourth proportional to 26,598,843.45, 39,867,264.45 and 12,223,364.40 is: 18,320,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,598,843.45 : 39,867,264.45 = 12,223,364.40 : x
  2. Step 2: Convert to fraction form
    26,598,843.45/39,867,264.45 = 12,223,364.40/x
  3. Step 3: Cross multiply
    26,598,843.45x = 39,867,264.45 × 12,223,364.40
  4. Step 4: Simplify right side
    26,598,843.45x = 487,312,101,003,515.62
  5. Step 5: Solve for x
    x = 487,312,101,003,515.62/26,598,843.45
  6. Step 6: Final answer
    x = 18,320,800.37

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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.