Finding the Fourth Proportional to 40,217,890.22, 60,317,857.68 and 18,649,689.38
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Solution
The fourth proportional to 40,217,890.22, 60,317,857.68 and 18,649,689.38 is: 27,970,370.99
Step by Step Solution
- Step 1: Write the proportion equation
40,217,890.22 : 60,317,857.68 = 18,649,689.38 : x - Step 2: Convert to fraction form
40,217,890.22/60,317,857.68 = 18,649,689.38/x - Step 3: Cross multiply
40,217,890.22x = 60,317,857.68 × 18,649,689.38 - Step 4: Simplify right side
40,217,890.22x = 1,124,909,309,799,047.38 - Step 5: Solve for x
x = 1,124,909,309,799,047.38/40,217,890.22 - Step 6: Final answer
x = 27,970,370.99
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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.