Finding the Fourth Proportional to 18,185,553, 27,278,536.86 and 6,219,222.12
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Solution
The fourth proportional to 18,185,553, 27,278,536.86 and 6,219,222.12 is: 9,328,904.09
Step by Step Solution
- Step 1: Write the proportion equation
18,185,553 : 27,278,536.86 = 6,219,222.12 : x - Step 2: Convert to fraction form
18,185,553/27,278,536.86 = 6,219,222.12/x - Step 3: Cross multiply
18,185,553x = 27,278,536.86 × 6,219,222.12 - Step 4: Simplify right side
18,185,553x = 169,651,279,840,947.34 - Step 5: Solve for x
x = 169,651,279,840,947.34/18,185,553 - Step 6: Final answer
x = 9,328,904.09
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1.5x scale
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.