Finding the Fourth Proportional to 11,831,136.28, 16,326,968.04 and 6,398,628.28
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Solution
The fourth proportional to 11,831,136.28, 16,326,968.04 and 6,398,628.28 is: 8,830,107.01
Step by Step Solution
- Step 1: Write the proportion equation
11,831,136.28 : 16,326,968.04 = 6,398,628.28 : x - Step 2: Convert to fraction form
11,831,136.28/16,326,968.04 = 6,398,628.28/x - Step 3: Cross multiply
11,831,136.28x = 16,326,968.04 × 6,398,628.28 - Step 4: Simplify right side
11,831,136.28x = 104,470,199,427,400.17 - Step 5: Solve for x
x = 104,470,199,427,400.17/11,831,136.28 - Step 6: Final answer
x = 8,830,107.01
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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.