Finding the Fourth Proportional to 19,752,909.12, 27,253,757.88 and 13,559,850
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Solution
The fourth proportional to 19,752,909.12, 27,253,757.88 and 13,559,850 is: 18,708,984.41
Step by Step Solution
- Step 1: Write the proportion equation
19,752,909.12 : 27,253,757.88 = 13,559,850 : x - Step 2: Convert to fraction form
19,752,909.12/27,253,757.88 = 13,559,850/x - Step 3: Cross multiply
19,752,909.12x = 27,253,757.88 × 13,559,850 - Step 4: Simplify right side
19,752,909.12x = 369,556,868,789,118 - Step 5: Solve for x
x = 369,556,868,789,118/19,752,909.12 - Step 6: Final answer
x = 18,708,984.41
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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.