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Finding the Fourth Proportional to 18,689,008, 25,790,831.04 and 10,104,304

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Solution

The fourth proportional to 18,689,008, 25,790,831.04 and 10,104,304 is: 13,943,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,008 : 25,790,831.04 = 10,104,304 : x
  2. Step 2: Convert to fraction form
    18,689,008/25,790,831.04 = 10,104,304/x
  3. Step 3: Cross multiply
    18,689,008x = 25,790,831.04 × 10,104,304
  4. Step 4: Simplify right side
    18,689,008x = 260,598,397,240,796.16
  5. Step 5: Solve for x
    x = 260,598,397,240,796.16/18,689,008
  6. Step 6: Final answer
    x = 13,943,939.52

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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.