Finding the Fourth Proportional to 10,278,980.19, 14,191,442.66 and 6,614,265.49
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Solution
The fourth proportional to 10,278,980.19, 14,191,442.66 and 6,614,265.49 is: 9,131,836.79
Step by Step Solution
- Step 1: Write the proportion equation
10,278,980.19 : 14,191,442.66 = 6,614,265.49 : x - Step 2: Convert to fraction form
10,278,980.19/14,191,442.66 = 6,614,265.49/x - Step 3: Cross multiply
10,278,980.19x = 14,191,442.66 × 6,614,265.49 - Step 4: Simplify right side
10,278,980.19x = 93,865,969,420,408.86 - Step 5: Solve for x
x = 93,865,969,420,408.86/10,278,980.19 - Step 6: Final answer
x = 9,131,836.79
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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.