Finding the Fourth Proportional to 19,901,394.24, 29,858,402.88 and 7,121,616
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Solution
The fourth proportional to 19,901,394.24, 29,858,402.88 and 7,121,616 is: 10,684,682.55
Step by Step Solution
- Step 1: Write the proportion equation
19,901,394.24 : 29,858,402.88 = 7,121,616 : x - Step 2: Convert to fraction form
19,901,394.24/29,858,402.88 = 7,121,616/x - Step 3: Cross multiply
19,901,394.24x = 29,858,402.88 × 7,121,616 - Step 4: Simplify right side
19,901,394.24x = 212,640,079,684,654.06 - Step 5: Solve for x
x = 212,640,079,684,654.06/19,901,394.24 - Step 6: Final answer
x = 10,684,682.55
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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.