Finding the Fourth Proportional to 15,492,381.20, 23,239,446.60 and 4,710,033.80
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Solution
The fourth proportional to 15,492,381.20, 23,239,446.60 and 4,710,033.80 is: 7,065,316.66
Step by Step Solution
- Step 1: Write the proportion equation
15,492,381.20 : 23,239,446.60 = 4,710,033.80 : x - Step 2: Convert to fraction form
15,492,381.20/23,239,446.60 = 4,710,033.80/x - Step 3: Cross multiply
15,492,381.20x = 23,239,446.60 × 4,710,033.80 - Step 4: Simplify right side
15,492,381.20x = 109,458,578,979,295.08 - Step 5: Solve for x
x = 109,458,578,979,295.08/15,492,381.20 - Step 6: Final answer
x = 7,065,316.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.