Finding the Fourth Proportional to 19,496,947.24, 26,897,316.60 and 11,757,688.84
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Solution
The fourth proportional to 19,496,947.24, 26,897,316.60 and 11,757,688.84 is: 16,220,502.39
Step by Step Solution
- Step 1: Write the proportion equation
19,496,947.24 : 26,897,316.60 = 11,757,688.84 : x - Step 2: Convert to fraction form
19,496,947.24/26,897,316.60 = 11,757,688.84/x - Step 3: Cross multiply
19,496,947.24x = 26,897,316.60 × 11,757,688.84 - Step 4: Simplify right side
19,496,947.24x = 316,250,279,213,766.75 - Step 5: Solve for x
x = 316,250,279,213,766.75/19,496,947.24 - Step 6: Final answer
x = 16,220,502.39
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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.