Finding the Fourth Proportional to 21,594,832.57, 29,642,240.12 and 19,092,631.15
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Solution
The fourth proportional to 21,594,832.57, 29,642,240.12 and 19,092,631.15 is: 26,207,582.54
Step by Step Solution
- Step 1: Write the proportion equation
21,594,832.57 : 29,642,240.12 = 19,092,631.15 : x - Step 2: Convert to fraction form
21,594,832.57/29,642,240.12 = 19,092,631.15/x - Step 3: Cross multiply
21,594,832.57x = 29,642,240.12 × 19,092,631.15 - Step 4: Simplify right side
21,594,832.57x = 565,948,357,070,891.75 - Step 5: Solve for x
x = 565,948,357,070,891.75/21,594,832.57 - Step 6: Final answer
x = 26,207,582.54
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.