Finding the Fourth Proportional to 39,915,162.11, 55,082,934.68 and 22,033,393.36
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Solution
The fourth proportional to 39,915,162.11, 55,082,934.68 and 22,033,393.36 is: 30,406,088.88
Step by Step Solution
- Step 1: Write the proportion equation
39,915,162.11 : 55,082,934.68 = 22,033,393.36 : x - Step 2: Convert to fraction form
39,915,162.11/55,082,934.68 = 22,033,393.36/x - Step 3: Cross multiply
39,915,162.11x = 55,082,934.68 × 22,033,393.36 - Step 4: Simplify right side
39,915,162.11x = 1,213,663,966,979,751.50 - Step 5: Solve for x
x = 1,213,663,966,979,751.50/39,915,162.11 - Step 6: Final answer
x = 30,406,088.88
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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.