Finding the Fourth Proportional to 9,452,554.68, 13,044,578.60 and 5,378,173.68
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Solution
The fourth proportional to 9,452,554.68, 13,044,578.60 and 5,378,173.68 is: 7,421,909.91
Step by Step Solution
- Step 1: Write the proportion equation
9,452,554.68 : 13,044,578.60 = 5,378,173.68 : x - Step 2: Convert to fraction form
9,452,554.68/13,044,578.60 = 5,378,173.68/x - Step 3: Cross multiply
9,452,554.68x = 13,044,578.60 × 5,378,173.68 - Step 4: Simplify right side
9,452,554.68x = 70,156,009,293,211.24 - Step 5: Solve for x
x = 70,156,009,293,211.24/9,452,554.68 - Step 6: Final answer
x = 7,421,909.91
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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.