Finding the Fourth Proportional to 27,788,586.83, 38,348,474.99 and 15,398,887.07
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Solution
The fourth proportional to 27,788,586.83, 38,348,474.99 and 15,398,887.07 is: 21,250,588.93
Step by Step Solution
- Step 1: Write the proportion equation
27,788,586.83 : 38,348,474.99 = 15,398,887.07 : x - Step 2: Convert to fraction form
27,788,586.83/38,348,474.99 = 15,398,887.07/x - Step 3: Cross multiply
27,788,586.83x = 38,348,474.99 × 15,398,887.07 - Step 4: Simplify right side
27,788,586.83x = 590,523,835,677,729.38 - Step 5: Solve for x
x = 590,523,835,677,729.38/27,788,586.83 - Step 6: Final answer
x = 21,250,588.93
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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.