Finding the Fourth Proportional to 38,545,349.10, 53,192,657.79 and 21,141,835.98
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Solution
The fourth proportional to 38,545,349.10, 53,192,657.79 and 21,141,835.98 is: 29,175,775.36
Step by Step Solution
- Step 1: Write the proportion equation
38,545,349.10 : 53,192,657.79 = 21,141,835.98 : x - Step 2: Convert to fraction form
38,545,349.10/53,192,657.79 = 21,141,835.98/x - Step 3: Cross multiply
38,545,349.10x = 53,192,657.79 × 21,141,835.98 - Step 4: Simplify right side
38,545,349.10x = 1,124,590,446,336,449.25 - Step 5: Solve for x
x = 1,124,590,446,336,449.25/38,545,349.10 - Step 6: Final answer
x = 29,175,775.36
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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.