Home / 13,194,993.26-18,198,294.89-9,287,684.02

Finding the Fourth Proportional to 13,194,993.26, 18,198,294.89 and 9,287,684.02

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Solution

The fourth proportional to 13,194,993.26, 18,198,294.89 and 9,287,684.02 is: 12,809,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,993.26 : 18,198,294.89 = 9,287,684.02 : x
  2. Step 2: Convert to fraction form
    13,194,993.26/18,198,294.89 = 9,287,684.02/x
  3. Step 3: Cross multiply
    13,194,993.26x = 18,198,294.89 × 9,287,684.02
  4. Step 4: Simplify right side
    13,194,993.26x = 169,020,012,641,100.66
  5. Step 5: Solve for x
    x = 169,020,012,641,100.66/13,194,993.26
  6. Step 6: Final answer
    x = 12,809,405.00

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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.