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Finding the Fourth Proportional to 28,266,493.86, 42,390,752.22 and 9,092,787.84

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Solution

The fourth proportional to 28,266,493.86, 42,390,752.22 and 9,092,787.84 is: 13,636,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266,493.86 : 42,390,752.22 = 9,092,787.84 : x
  2. Step 2: Convert to fraction form
    28,266,493.86/42,390,752.22 = 9,092,787.84/x
  3. Step 3: Cross multiply
    28,266,493.86x = 42,390,752.22 × 9,092,787.84
  4. Step 4: Simplify right side
    28,266,493.86x = 385,450,116,314,469
  5. Step 5: Solve for x
    x = 385,450,116,314,469/28,266,493.86
  6. Step 6: Final answer
    x = 13,636,290.31

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