Finding the Fourth Proportional to 19,618,902.38, 29,409,260.76 and 9,381,117.98
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Solution
The fourth proportional to 19,618,902.38, 29,409,260.76 and 9,381,117.98 is: 14,062,547.41
Step by Step Solution
- Step 1: Write the proportion equation
19,618,902.38 : 29,409,260.76 = 9,381,117.98 : x - Step 2: Convert to fraction form
19,618,902.38/29,409,260.76 = 9,381,117.98/x - Step 3: Cross multiply
19,618,902.38x = 29,409,260.76 × 9,381,117.98 - Step 4: Simplify right side
19,618,902.38x = 275,891,744,967,667.62 - Step 5: Solve for x
x = 275,891,744,967,667.62/19,618,902.38 - Step 6: Final answer
x = 14,062,547.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.