Finding the Fourth Proportional to 7,882,575.54, 10,878,276.96 and 4,980,907.68
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Solution
The fourth proportional to 7,882,575.54, 10,878,276.96 and 4,980,907.68 is: 6,873,856.52
Step by Step Solution
- Step 1: Write the proportion equation
7,882,575.54 : 10,878,276.96 = 4,980,907.68 : x - Step 2: Convert to fraction form
7,882,575.54/10,878,276.96 = 4,980,907.68/x - Step 3: Cross multiply
7,882,575.54x = 10,878,276.96 × 4,980,907.68 - Step 4: Simplify right side
7,882,575.54x = 54,183,693,255,231.05 - Step 5: Solve for x
x = 54,183,693,255,231.05/7,882,575.54 - Step 6: Final answer
x = 6,873,856.52
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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.