Finding the Fourth Proportional to 10,267,603.74, 14,169,460.26 and 5,621,310.36
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Solution
The fourth proportional to 10,267,603.74, 14,169,460.26 and 5,621,310.36 is: 7,757,499.78
Step by Step Solution
- Step 1: Write the proportion equation
10,267,603.74 : 14,169,460.26 = 5,621,310.36 : x - Step 2: Convert to fraction form
10,267,603.74/14,169,460.26 = 5,621,310.36/x - Step 3: Cross multiply
10,267,603.74x = 14,169,460.26 × 5,621,310.36 - Step 4: Simplify right side
10,267,603.74x = 79,650,933,755,146.30 - Step 5: Solve for x
x = 79,650,933,755,146.30/10,267,603.74 - Step 6: Final answer
x = 7,757,499.78
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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.