Finding the Fourth Proportional to 19,586,793.88, 27,029,673.02 and 10,766,447.96
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Solution
The fourth proportional to 19,586,793.88, 27,029,673.02 and 10,766,447.96 is: 14,857,641.82
Step by Step Solution
- Step 1: Write the proportion equation
19,586,793.88 : 27,029,673.02 = 10,766,447.96 : x - Step 2: Convert to fraction form
19,586,793.88/27,029,673.02 = 10,766,447.96/x - Step 3: Cross multiply
19,586,793.88x = 27,029,673.02 × 10,766,447.96 - Step 4: Simplify right side
19,586,793.88x = 291,013,567,945,646.06 - Step 5: Solve for x
x = 291,013,567,945,646.06/19,586,793.88 - Step 6: Final answer
x = 14,857,641.82
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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.