Home / 13,089,727.40-19,628,020.86-7,626,590.60

Finding the Fourth Proportional to 13,089,727.40, 19,628,020.86 and 7,626,590.60

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Solution

The fourth proportional to 13,089,727.40, 19,628,020.86 and 7,626,590.60 is: 11,436,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089,727.40 : 19,628,020.86 = 7,626,590.60 : x
  2. Step 2: Convert to fraction form
    13,089,727.40/19,628,020.86 = 7,626,590.60/x
  3. Step 3: Cross multiply
    13,089,727.40x = 19,628,020.86 × 7,626,590.60
  4. Step 4: Simplify right side
    13,089,727.40x = 149,694,879,387,479.91
  5. Step 5: Solve for x
    x = 149,694,879,387,479.91/13,089,727.40
  6. Step 6: Final answer
    x = 11,436,057.82

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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.