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Finding the Fourth Proportional to 17,940,903.40, 26,911,355.10 and 14,752,257.40

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Solution

The fourth proportional to 17,940,903.40, 26,911,355.10 and 14,752,257.40 is: 22,128,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940,903.40 : 26,911,355.10 = 14,752,257.40 : x
  2. Step 2: Convert to fraction form
    17,940,903.40/26,911,355.10 = 14,752,257.40/x
  3. Step 3: Cross multiply
    17,940,903.40x = 26,911,355.10 × 14,752,257.40
  4. Step 4: Simplify right side
    17,940,903.40x = 397,003,237,418,002.75
  5. Step 5: Solve for x
    x = 397,003,237,418,002.75/17,940,903.40
  6. Step 6: Final answer
    x = 22,128,386.10

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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.