Finding the Fourth Proportional to 14,518,922.84, 20,036,370.08 and 7,903,702.68
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Solution
The fourth proportional to 14,518,922.84, 20,036,370.08 and 7,903,702.68 is: 10,907,249.36
Step by Step Solution
- Step 1: Write the proportion equation
14,518,922.84 : 20,036,370.08 = 7,903,702.68 : x - Step 2: Convert to fraction form
14,518,922.84/20,036,370.08 = 7,903,702.68/x - Step 3: Cross multiply
14,518,922.84x = 20,036,370.08 × 7,903,702.68 - Step 4: Simplify right side
14,518,922.84x = 158,361,511,898,767.78 - Step 5: Solve for x
x = 158,361,511,898,767.78/14,518,922.84 - Step 6: Final answer
x = 10,907,249.36
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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.