Finding the Fourth Proportional to 11,351,682.17, 15,665,102.81 and 6,195,080.63
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Solution
The fourth proportional to 11,351,682.17, 15,665,102.81 and 6,195,080.63 is: 8,549,091.97
Step by Step Solution
- Step 1: Write the proportion equation
11,351,682.17 : 15,665,102.81 = 6,195,080.63 : x - Step 2: Convert to fraction form
11,351,682.17/15,665,102.81 = 6,195,080.63/x - Step 3: Cross multiply
11,351,682.17x = 15,665,102.81 × 6,195,080.63 - Step 4: Simplify right side
11,351,682.17x = 97,046,574,875,888.66 - Step 5: Solve for x
x = 97,046,574,875,888.66/11,351,682.17 - Step 6: Final answer
x = 8,549,091.97
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1.5x scale
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.