Finding the Fourth Proportional to 13,589,176.64, 18,752,497.44 and 7,394,247.68
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Solution
The fourth proportional to 13,589,176.64, 18,752,497.44 and 7,394,247.68 is: 10,203,753.65
Step by Step Solution
- Step 1: Write the proportion equation
13,589,176.64 : 18,752,497.44 = 7,394,247.68 : x - Step 2: Convert to fraction form
13,589,176.64/18,752,497.44 = 7,394,247.68/x - Step 3: Cross multiply
13,589,176.64x = 18,752,497.44 × 7,394,247.68 - Step 4: Simplify right side
13,589,176.64x = 138,660,610,689,925.94 - Step 5: Solve for x
x = 138,660,610,689,925.94/13,589,176.64 - Step 6: Final answer
x = 10,203,753.65
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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.