Finding the Fourth Proportional to 19,952,221.12, 29,880,830.04 and 12,741,419.68
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Solution
The fourth proportional to 19,952,221.12, 29,880,830.04 and 12,741,419.68 is: 19,081,795.14
Step by Step Solution
- Step 1: Write the proportion equation
19,952,221.12 : 29,880,830.04 = 12,741,419.68 : x - Step 2: Convert to fraction form
19,952,221.12/29,880,830.04 = 12,741,419.68/x - Step 3: Cross multiply
19,952,221.12x = 29,880,830.04 × 12,741,419.68 - Step 4: Simplify right side
19,952,221.12x = 380,724,195,926,391.19 - Step 5: Solve for x
x = 380,724,195,926,391.19/19,952,221.12 - Step 6: Final answer
x = 19,081,795.14
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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.