Finding the Fourth Proportional to 7,815,021.40, 11,726,031.30 and 3,552,995.80
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Solution
The fourth proportional to 7,815,021.40, 11,726,031.30 and 3,552,995.80 is: 5,331,084.56
Step by Step Solution
- Step 1: Write the proportion equation
7,815,021.40 : 11,726,031.30 = 3,552,995.80 : x - Step 2: Convert to fraction form
7,815,021.40/11,726,031.30 = 3,552,995.80/x - Step 3: Cross multiply
7,815,021.40x = 11,726,031.30 × 3,552,995.80 - Step 4: Simplify right side
7,815,021.40x = 41,662,539,959,568.54 - Step 5: Solve for x
x = 41,662,539,959,568.54/7,815,021.40 - Step 6: Final answer
x = 5,331,084.56
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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.