Finding the Fourth Proportional to 8,298,181.68, 11,451,207.96 and 4,577,160.30
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Solution
The fourth proportional to 8,298,181.68, 11,451,207.96 and 4,577,160.30 is: 6,316,325.25
Step by Step Solution
- Step 1: Write the proportion equation
8,298,181.68 : 11,451,207.96 = 4,577,160.30 : x - Step 2: Convert to fraction form
8,298,181.68/11,451,207.96 = 4,577,160.30/x - Step 3: Cross multiply
8,298,181.68x = 11,451,207.96 × 4,577,160.30 - Step 4: Simplify right side
8,298,181.68x = 52,414,014,461,555.99 - Step 5: Solve for x
x = 52,414,014,461,555.99/8,298,181.68 - Step 6: Final answer
x = 6,316,325.25
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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.