Finding the Fourth Proportional to 11,185,685.54, 16,778,537.74 and 5,348,497.90
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Solution
The fourth proportional to 11,185,685.54, 16,778,537.74 and 5,348,497.90 is: 8,022,751.36
Step by Step Solution
- Step 1: Write the proportion equation
11,185,685.54 : 16,778,537.74 = 5,348,497.90 : x - Step 2: Convert to fraction form
11,185,685.54/16,778,537.74 = 5,348,497.90/x - Step 3: Cross multiply
11,185,685.54x = 16,778,537.74 × 5,348,497.90 - Step 4: Simplify right side
11,185,685.54x = 89,739,973,867,460.75 - Step 5: Solve for x
x = 89,739,973,867,460.75/11,185,685.54 - Step 6: Final answer
x = 8,022,751.36
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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.