Finding the Fourth Proportional to 19,392,137.11, 26,761,230.24 and 10,690,118.79
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Solution
The fourth proportional to 19,392,137.11, 26,761,230.24 and 10,690,118.79 is: 14,752,408.60
Step by Step Solution
- Step 1: Write the proportion equation
19,392,137.11 : 26,761,230.24 = 10,690,118.79 : x - Step 2: Convert to fraction form
19,392,137.11/26,761,230.24 = 10,690,118.79/x - Step 3: Cross multiply
19,392,137.11x = 26,761,230.24 × 10,690,118.79 - Step 4: Simplify right side
19,392,137.11x = 286,080,730,232,140.19 - Step 5: Solve for x
x = 286,080,730,232,140.19/19,392,137.11 - Step 6: Final answer
x = 14,752,408.60
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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.