Finding the Fourth Proportional to 7,918,102.08, 10,924,441.32 and 4,432,928.58
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Solution
The fourth proportional to 7,918,102.08, 10,924,441.32 and 4,432,928.58 is: 6,116,019.68
Step by Step Solution
- Step 1: Write the proportion equation
7,918,102.08 : 10,924,441.32 = 4,432,928.58 : x - Step 2: Convert to fraction form
7,918,102.08/10,924,441.32 = 4,432,928.58/x - Step 3: Cross multiply
7,918,102.08x = 10,924,441.32 × 4,432,928.58 - Step 4: Simplify right side
7,918,102.08x = 48,427,268,147,960.93 - Step 5: Solve for x
x = 48,427,268,147,960.93/7,918,102.08 - Step 6: Final answer
x = 6,116,019.68
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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.