Finding the Fourth Proportional to 39,959,976.48, 55,144,865.52 and 21,625,395.36
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Solution
The fourth proportional to 39,959,976.48, 55,144,865.52 and 21,625,395.36 is: 29,843,098.62
Step by Step Solution
- Step 1: Write the proportion equation
39,959,976.48 : 55,144,865.52 = 21,625,395.36 : x - Step 2: Convert to fraction form
39,959,976.48/55,144,865.52 = 21,625,395.36/x - Step 3: Cross multiply
39,959,976.48x = 55,144,865.52 × 21,625,395.36 - Step 4: Simplify right side
39,959,976.48x = 1,192,529,518,944,032 - Step 5: Solve for x
x = 1,192,529,518,944,032/39,959,976.48 - Step 6: Final answer
x = 29,843,098.62
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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.