Finding the Fourth Proportional to 10,368,824.80, 15,526,021.20 and 7,319,725.60
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Solution
The fourth proportional to 10,368,824.80, 15,526,021.20 and 7,319,725.60 is: 10,960,375.65
Step by Step Solution
- Step 1: Write the proportion equation
10,368,824.80 : 15,526,021.20 = 7,319,725.60 : x - Step 2: Convert to fraction form
10,368,824.80/15,526,021.20 = 7,319,725.60/x - Step 3: Cross multiply
10,368,824.80x = 15,526,021.20 × 7,319,725.60 - Step 4: Simplify right side
10,368,824.80x = 113,646,214,843,782.70 - Step 5: Solve for x
x = 113,646,214,843,782.70/10,368,824.80 - Step 6: Final answer
x = 10,960,375.65
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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.