Finding the Fourth Proportional to 13,471,988.49, 20,194,363.21 and 5,800,636.17
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Solution
The fourth proportional to 13,471,988.49, 20,194,363.21 and 5,800,636.17 is: 8,695,090.09
Step by Step Solution
- Step 1: Write the proportion equation
13,471,988.49 : 20,194,363.21 = 5,800,636.17 : x - Step 2: Convert to fraction form
13,471,988.49/20,194,363.21 = 5,800,636.17/x - Step 3: Cross multiply
13,471,988.49x = 20,194,363.21 × 5,800,636.17 - Step 4: Simplify right side
13,471,988.49x = 117,140,153,666,043.31 - Step 5: Solve for x
x = 117,140,153,666,043.31/13,471,988.49 - Step 6: Final answer
x = 8,695,090.09
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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.