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Finding the Fourth Proportional to 18,104,521.12, 24,978,124.44 and 10,263,192.40

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Solution

The fourth proportional to 18,104,521.12, 24,978,124.44 and 10,263,192.40 is: 14,159,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,521.12 : 24,978,124.44 = 10,263,192.40 : x
  2. Step 2: Convert to fraction form
    18,104,521.12/24,978,124.44 = 10,263,192.40/x
  3. Step 3: Cross multiply
    18,104,521.12x = 24,978,124.44 × 10,263,192.40
  4. Step 4: Simplify right side
    18,104,521.12x = 256,355,296,918,862.28
  5. Step 5: Solve for x
    x = 256,355,296,918,862.28/18,104,521.12
  6. Step 6: Final answer
    x = 14,159,739.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.