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Finding the Fourth Proportional to 14,700,118.80, 22,008,187.80 and 13,188,464.40

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Solution

The fourth proportional to 14,700,118.80, 22,008,187.80 and 13,188,464.40 is: 19,745,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700,118.80 : 22,008,187.80 = 13,188,464.40 : x
  2. Step 2: Convert to fraction form
    14,700,118.80/22,008,187.80 = 13,188,464.40/x
  3. Step 3: Cross multiply
    14,700,118.80x = 22,008,187.80 × 13,188,464.40
  4. Step 4: Simplify right side
    14,700,118.80x = 290,254,201,308,814.31
  5. Step 5: Solve for x
    x = 290,254,201,308,814.31/14,700,118.80
  6. Step 6: Final answer
    x = 19,745,024.19

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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.