Finding the Fourth Proportional to 10,968,425.25, 15,136,417.31 and 6,073,647.09
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Solution
The fourth proportional to 10,968,425.25, 15,136,417.31 and 6,073,647.09 is: 8,381,627.70
Step by Step Solution
- Step 1: Write the proportion equation
10,968,425.25 : 15,136,417.31 = 6,073,647.09 : x - Step 2: Convert to fraction form
10,968,425.25/15,136,417.31 = 6,073,647.09/x - Step 3: Cross multiply
10,968,425.25x = 15,136,417.31 × 6,073,647.09 - Step 4: Simplify right side
10,968,425.25x = 91,933,256,947,907.12 - Step 5: Solve for x
x = 91,933,256,947,907.12/10,968,425.25 - Step 6: Final answer
x = 8,381,627.70
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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.