Finding the Fourth Proportional to 7,474,329.80, 11,211,494.70 and 7,474,329.80
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Solution
The fourth proportional to 7,474,329.80, 11,211,494.70 and 7,474,329.80 is: 11,211,494.70
Step by Step Solution
- Step 1: Write the proportion equation
7,474,329.80 : 11,211,494.70 = 7,474,329.80 : x - Step 2: Convert to fraction form
7,474,329.80/11,211,494.70 = 7,474,329.80/x - Step 3: Cross multiply
7,474,329.80x = 11,211,494.70 × 7,474,329.80 - Step 4: Simplify right side
7,474,329.80x = 83,798,408,938,752.05 - Step 5: Solve for x
x = 83,798,408,938,752.05/7,474,329.80 - Step 6: Final answer
x = 11,211,494.70
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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.