Finding the Fourth Proportional to 21,828,071.98, 32,736,522.96 and 6,471,770.80
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Solution
The fourth proportional to 21,828,071.98, 32,736,522.96 and 6,471,770.80 is: 9,706,000.31
Step by Step Solution
- Step 1: Write the proportion equation
21,828,071.98 : 32,736,522.96 = 6,471,770.80 : x - Step 2: Convert to fraction form
21,828,071.98/32,736,522.96 = 6,471,770.80/x - Step 3: Cross multiply
21,828,071.98x = 32,736,522.96 × 6,471,770.80 - Step 4: Simplify right side
21,828,071.98x = 211,863,273,386,057.56 - Step 5: Solve for x
x = 211,863,273,386,057.56/21,828,071.98 - Step 6: Final answer
x = 9,706,000.31
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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.