Finding the Fourth Proportional to 19,138,388.24, 26,411,613.36 and 10,437,035.60
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Solution
The fourth proportional to 19,138,388.24, 26,411,613.36 and 10,437,035.60 is: 14,403,456.83
Step by Step Solution
- Step 1: Write the proportion equation
19,138,388.24 : 26,411,613.36 = 10,437,035.60 : x - Step 2: Convert to fraction form
19,138,388.24/26,411,613.36 = 10,437,035.60/x - Step 3: Cross multiply
19,138,388.24x = 26,411,613.36 × 10,437,035.60 - Step 4: Simplify right side
19,138,388.24x = 275,658,948,891,755.59 - Step 5: Solve for x
x = 275,658,948,891,755.59/19,138,388.24 - Step 6: Final answer
x = 14,403,456.83
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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.