Home / 18,209,905.80-27,314,858.70-18,103,617.60

Finding the Fourth Proportional to 18,209,905.80, 27,314,858.70 and 18,103,617.60

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Solution

The fourth proportional to 18,209,905.80, 27,314,858.70 and 18,103,617.60 is: 27,155,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,905.80 : 27,314,858.70 = 18,103,617.60 : x
  2. Step 2: Convert to fraction form
    18,209,905.80/27,314,858.70 = 18,103,617.60/x
  3. Step 3: Cross multiply
    18,209,905.80x = 27,314,858.70 × 18,103,617.60
  4. Step 4: Simplify right side
    18,209,905.80x = 494,497,756,702,833.12
  5. Step 5: Solve for x
    x = 494,497,756,702,833.12/18,209,905.80
  6. Step 6: Final answer
    x = 27,155,426.40

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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.