Finding the Fourth Proportional to 19,532,195.79, 26,948,294.80 and 11,271,173.05
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Solution
The fourth proportional to 19,532,195.79, 26,948,294.80 and 11,271,173.05 is: 15,550,678.34
Step by Step Solution
- Step 1: Write the proportion equation
19,532,195.79 : 26,948,294.80 = 11,271,173.05 : x - Step 2: Convert to fraction form
19,532,195.79/26,948,294.80 = 11,271,173.05/x - Step 3: Cross multiply
19,532,195.79x = 26,948,294.80 × 11,271,173.05 - Step 4: Simplify right side
19,532,195.79x = 303,738,894,093,215.19 - Step 5: Solve for x
x = 303,738,894,093,215.19/19,532,195.79 - Step 6: Final answer
x = 15,550,678.34
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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.