Finding the Fourth Proportional to 11,361,026.44, 15,678,136.74 and 6,204,389.32
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Solution
The fourth proportional to 11,361,026.44, 15,678,136.74 and 6,204,389.32 is: 8,562,013.71
Step by Step Solution
- Step 1: Write the proportion equation
11,361,026.44 : 15,678,136.74 = 6,204,389.32 : x - Step 2: Convert to fraction form
11,361,026.44/15,678,136.74 = 6,204,389.32/x - Step 3: Cross multiply
11,361,026.44x = 15,678,136.74 × 6,204,389.32 - Step 4: Simplify right side
11,361,026.44x = 97,273,264,147,155.62 - Step 5: Solve for x
x = 97,273,264,147,155.62/11,361,026.44 - Step 6: Final answer
x = 8,562,013.71
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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.