Finding the Fourth Proportional to 38,716,138.86, 53,439,554.10 and 25,306,752.08
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Solution
The fourth proportional to 38,716,138.86, 53,439,554.10 and 25,306,752.08 is: 34,930,692.64
Step by Step Solution
- Step 1: Write the proportion equation
38,716,138.86 : 53,439,554.10 = 25,306,752.08 : x - Step 2: Convert to fraction form
38,716,138.86/53,439,554.10 = 25,306,752.08/x - Step 3: Cross multiply
38,716,138.86x = 53,439,554.10 × 25,306,752.08 - Step 4: Simplify right side
38,716,138.86x = 1,352,381,546,607,249.75 - Step 5: Solve for x
x = 1,352,381,546,607,249.75/38,716,138.86 - Step 6: Final answer
x = 34,930,692.64
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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.