Finding the Fourth Proportional to 13,970,957.80, 19,269,529.14 and 12,336,481.48
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Solution
The fourth proportional to 13,970,957.80, 19,269,529.14 and 12,336,481.48 is: 17,015,167.66
Step by Step Solution
- Step 1: Write the proportion equation
13,970,957.80 : 19,269,529.14 = 12,336,481.48 : x - Step 2: Convert to fraction form
13,970,957.80/19,269,529.14 = 12,336,481.48/x - Step 3: Cross multiply
13,970,957.80x = 19,269,529.14 × 12,336,481.48 - Step 4: Simplify right side
13,970,957.80x = 237,718,189,363,930.34 - Step 5: Solve for x
x = 237,718,189,363,930.34/13,970,957.80 - Step 6: Final answer
x = 17,015,167.66
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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.