Finding the Fourth Proportional to 7,261,203.80, 10,891,805.70 and 7,261,203.80
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Solution
The fourth proportional to 7,261,203.80, 10,891,805.70 and 7,261,203.80 is: 10,891,805.70
Step by Step Solution
- Step 1: Write the proportion equation
7,261,203.80 : 10,891,805.70 = 7,261,203.80 : x - Step 2: Convert to fraction form
7,261,203.80/10,891,805.70 = 7,261,203.80/x - Step 3: Cross multiply
7,261,203.80x = 10,891,805.70 × 7,261,203.80 - Step 4: Simplify right side
7,261,203.80x = 79,087,620,937,701.66 - Step 5: Solve for x
x = 79,087,620,937,701.66/7,261,203.80 - Step 6: Final answer
x = 10,891,805.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.