Finding the Fourth Proportional to 42,412,347.69, 58,533,790.26 and 25,676,311.97
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Solution
The fourth proportional to 42,412,347.69, 58,533,790.26 and 25,676,311.97 is: 35,436,186.43
Step by Step Solution
- Step 1: Write the proportion equation
42,412,347.69 : 58,533,790.26 = 25,676,311.97 : x - Step 2: Convert to fraction form
42,412,347.69/58,533,790.26 = 25,676,311.97/x - Step 3: Cross multiply
42,412,347.69x = 58,533,790.26 × 25,676,311.97 - Step 4: Simplify right side
42,412,347.69x = 1,502,931,859,502,307.25 - Step 5: Solve for x
x = 1,502,931,859,502,307.25/42,412,347.69 - Step 6: Final answer
x = 35,436,186.43
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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.