Finding the Fourth Proportional to 9,709,715.26, 14,490,742.15 and 8,633,575.18
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Solution
The fourth proportional to 9,709,715.26, 14,490,742.15 and 8,633,575.18 is: 12,884,714.78
Step by Step Solution
- Step 1: Write the proportion equation
9,709,715.26 : 14,490,742.15 = 8,633,575.18 : x - Step 2: Convert to fraction form
9,709,715.26/14,490,742.15 = 8,633,575.18/x - Step 3: Cross multiply
9,709,715.26x = 14,490,742.15 × 8,633,575.18 - Step 4: Simplify right side
9,709,715.26x = 125,106,911,766,019.83 - Step 5: Solve for x
x = 125,106,911,766,019.83/9,709,715.26 - Step 6: Final answer
x = 12,884,714.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.