Finding the Fourth Proportional to 8,878,162.93, 13,278,774.35 and 5,226,191.42
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Solution
The fourth proportional to 8,878,162.93, 13,278,774.35 and 5,226,191.42 is: 7,816,641.47
Step by Step Solution
- Step 1: Write the proportion equation
8,878,162.93 : 13,278,774.35 = 5,226,191.42 : x - Step 2: Convert to fraction form
8,878,162.93/13,278,774.35 = 5,226,191.42/x - Step 3: Cross multiply
8,878,162.93x = 13,278,774.35 × 5,226,191.42 - Step 4: Simplify right side
8,878,162.93x = 69,397,416,522,757.68 - Step 5: Solve for x
x = 69,397,416,522,757.68/8,878,162.93 - Step 6: Final answer
x = 7,816,641.47
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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.