Finding the Fourth Proportional to 10,368,081.05, 15,552,121.58 and 7,848,657.05
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Solution
The fourth proportional to 10,368,081.05, 15,552,121.58 and 7,848,657.05 is: 11,772,985.58
Step by Step Solution
- Step 1: Write the proportion equation
10,368,081.05 : 15,552,121.58 = 7,848,657.05 : x - Step 2: Convert to fraction form
10,368,081.05/15,552,121.58 = 7,848,657.05/x - Step 3: Cross multiply
10,368,081.05x = 15,552,121.58 × 7,848,657.05 - Step 4: Simplify right side
10,368,081.05x = 122,063,268,642,080.84 - Step 5: Solve for x
x = 122,063,268,642,080.84/10,368,081.05 - Step 6: Final answer
x = 11,772,985.58
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1.5x scale
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.