Finding the Fourth Proportional to 18,081,503.64, 24,952,701.93 and 9,821,703.84
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Solution
The fourth proportional to 18,081,503.64, 24,952,701.93 and 9,821,703.84 is: 13,554,074.55
Step by Step Solution
- Step 1: Write the proportion equation
18,081,503.64 : 24,952,701.93 = 9,821,703.84 : x - Step 2: Convert to fraction form
18,081,503.64/24,952,701.93 = 9,821,703.84/x - Step 3: Cross multiply
18,081,503.64x = 24,952,701.93 × 9,821,703.84 - Step 4: Simplify right side
18,081,503.64x = 245,078,048,364,256.41 - Step 5: Solve for x
x = 245,078,048,364,256.41/18,081,503.64 - Step 6: Final answer
x = 13,554,074.55
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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.