Finding the Fourth Proportional to 10,253,799.40, 15,364,110.30 and 6,460,493.80
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Solution
The fourth proportional to 10,253,799.40, 15,364,110.30 and 6,460,493.80 is: 9,680,288.79
Step by Step Solution
- Step 1: Write the proportion equation
10,253,799.40 : 15,364,110.30 = 6,460,493.80 : x - Step 2: Convert to fraction form
10,253,799.40/15,364,110.30 = 6,460,493.80/x - Step 3: Cross multiply
10,253,799.40x = 15,364,110.30 × 6,460,493.80 - Step 4: Simplify right side
10,253,799.40x = 99,259,739,335,666.14 - Step 5: Solve for x
x = 99,259,739,335,666.14/10,253,799.40 - Step 6: Final answer
x = 9,680,288.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.