Finding the Fourth Proportional to 18,740,461.08, 28,110,691.66 and 5,960,967.96
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Solution
The fourth proportional to 18,740,461.08, 28,110,691.66 and 5,960,967.96 is: 8,941,451.95
Step by Step Solution
- Step 1: Write the proportion equation
18,740,461.08 : 28,110,691.66 = 5,960,967.96 : x - Step 2: Convert to fraction form
18,740,461.08/28,110,691.66 = 5,960,967.96/x - Step 3: Cross multiply
18,740,461.08x = 28,110,691.66 × 5,960,967.96 - Step 4: Simplify right side
18,740,461.08x = 167,566,932,318,699.22 - Step 5: Solve for x
x = 167,566,932,318,699.22/18,740,461.08 - Step 6: Final answer
x = 8,941,451.95
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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.