Finding the Fourth Proportional to 13,674,356.62, 18,876,422.56 and 8,520,264.65
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Solution
The fourth proportional to 13,674,356.62, 18,876,422.56 and 8,520,264.65 is: 11,761,585.60
Step by Step Solution
- Step 1: Write the proportion equation
13,674,356.62 : 18,876,422.56 = 8,520,264.65 : x - Step 2: Convert to fraction form
13,674,356.62/18,876,422.56 = 8,520,264.65/x - Step 3: Cross multiply
13,674,356.62x = 18,876,422.56 × 8,520,264.65 - Step 4: Simplify right side
13,674,356.62x = 160,832,115,861,020.22 - Step 5: Solve for x
x = 160,832,115,861,020.22/13,674,356.62 - Step 6: Final answer
x = 11,761,585.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.