Home / 69,978,631.80-104,960,860.47-18,865,817.40

Finding the Fourth Proportional to 69,978,631.80, 104,960,860.47 and 18,865,817.40

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Solution

The fourth proportional to 69,978,631.80, 104,960,860.47 and 18,865,817.40 is: 28,296,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,978,631.80 : 104,960,860.47 = 18,865,817.40 : x
  2. Step 2: Convert to fraction form
    69,978,631.80/104,960,860.47 = 18,865,817.40/x
  3. Step 3: Cross multiply
    69,978,631.80x = 104,960,860.47 × 18,865,817.40
  4. Step 4: Simplify right side
    69,978,631.80x = 1,980,172,427,773,898
  5. Step 5: Solve for x
    x = 1,980,172,427,773,898/69,978,631.80
  6. Step 6: Final answer
    x = 28,296,815.43

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