Finding the Fourth Proportional to 7,349,742.68, 11,026,085.63 and 4,115,879.21
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Solution
The fourth proportional to 7,349,742.68, 11,026,085.63 and 4,115,879.21 is: 6,174,642.92
Step by Step Solution
- Step 1: Write the proportion equation
7,349,742.68 : 11,026,085.63 = 4,115,879.21 : x - Step 2: Convert to fraction form
7,349,742.68/11,026,085.63 = 4,115,879.21/x - Step 3: Cross multiply
7,349,742.68x = 11,026,085.63 × 4,115,879.21 - Step 4: Simplify right side
7,349,742.68x = 45,382,036,609,467.62 - Step 5: Solve for x
x = 45,382,036,609,467.62/7,349,742.68 - Step 6: Final answer
x = 6,174,642.92
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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.