Home / 13,544,736.96-18,690,766.56-7,743,763.20

Finding the Fourth Proportional to 13,544,736.96, 18,690,766.56 and 7,743,763.20

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Solution

The fourth proportional to 13,544,736.96, 18,690,766.56 and 7,743,763.20 is: 10,685,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544,736.96 : 18,690,766.56 = 7,743,763.20 : x
  2. Step 2: Convert to fraction form
    13,544,736.96/18,690,766.56 = 7,743,763.20/x
  3. Step 3: Cross multiply
    13,544,736.96x = 18,690,766.56 × 7,743,763.20
  4. Step 4: Simplify right side
    13,544,736.96x = 144,736,870,267,118.59
  5. Step 5: Solve for x
    x = 144,736,870,267,118.59/13,544,736.96
  6. Step 6: Final answer
    x = 10,685,838.40

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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.