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Finding the Fourth Proportional to 18,817,714.80, 28,184,581.80 and 14,544,025.20

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Solution

The fourth proportional to 18,817,714.80, 28,184,581.80 and 14,544,025.20 is: 21,783,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817,714.80 : 28,184,581.80 = 14,544,025.20 : x
  2. Step 2: Convert to fraction form
    18,817,714.80/28,184,581.80 = 14,544,025.20/x
  3. Step 3: Cross multiply
    18,817,714.80x = 28,184,581.80 × 14,544,025.20
  4. Step 4: Simplify right side
    18,817,714.80x = 409,917,267,950,661.38
  5. Step 5: Solve for x
    x = 409,917,267,950,661.38/18,817,714.80
  6. Step 6: Final answer
    x = 21,783,583.84

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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.