Finding the Fourth Proportional to 18,353,987.85, 27,530,106.98 and 6,222,261.45
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Solution
The fourth proportional to 18,353,987.85, 27,530,106.98 and 6,222,261.45 is: 9,333,095.61
Step by Step Solution
- Step 1: Write the proportion equation
18,353,987.85 : 27,530,106.98 = 6,222,261.45 : x - Step 2: Convert to fraction form
18,353,987.85/27,530,106.98 = 6,222,261.45/x - Step 3: Cross multiply
18,353,987.85x = 27,530,106.98 × 6,222,261.45 - Step 4: Simplify right side
18,353,987.85x = 171,299,523,344,918.62 - Step 5: Solve for x
x = 171,299,523,344,918.62/18,353,987.85 - Step 6: Final answer
x = 9,333,095.61
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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.