Finding the Fourth Proportional to 6,750,136.22, 9,315,212.66 and 3,652,659.60
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Solution
The fourth proportional to 6,750,136.22, 9,315,212.66 and 3,652,659.60 is: 5,040,683.61
Step by Step Solution
- Step 1: Write the proportion equation
6,750,136.22 : 9,315,212.66 = 3,652,659.60 : x - Step 2: Convert to fraction form
6,750,136.22/9,315,212.66 = 3,652,659.60/x - Step 3: Cross multiply
6,750,136.22x = 9,315,212.66 × 3,652,659.60 - Step 4: Simplify right side
6,750,136.22x = 34,025,300,963,802.25 - Step 5: Solve for x
x = 34,025,300,963,802.25/6,750,136.22 - Step 6: Final answer
x = 5,040,683.61
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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.