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Finding the Fourth Proportional to 18,441,929.80, 27,662,894.70 and 8,875,991.80

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Solution

The fourth proportional to 18,441,929.80, 27,662,894.70 and 8,875,991.80 is: 13,313,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,929.80 : 27,662,894.70 = 8,875,991.80 : x
  2. Step 2: Convert to fraction form
    18,441,929.80/27,662,894.70 = 8,875,991.80/x
  3. Step 3: Cross multiply
    18,441,929.80x = 27,662,894.70 × 8,875,991.80
  4. Step 4: Simplify right side
    18,441,929.80x = 245,535,626,521,463.47
  5. Step 5: Solve for x
    x = 245,535,626,521,463.47/18,441,929.80
  6. Step 6: Final answer
    x = 13,313,987.70

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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.