Finding the Fourth Proportional to 8,195,329.80, 12,292,994.70 and 3,943,801.80
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Solution
The fourth proportional to 8,195,329.80, 12,292,994.70 and 3,943,801.80 is: 5,915,702.70
Step by Step Solution
- Step 1: Write the proportion equation
8,195,329.80 : 12,292,994.70 = 3,943,801.80 : x - Step 2: Convert to fraction form
8,195,329.80/12,292,994.70 = 3,943,801.80/x - Step 3: Cross multiply
8,195,329.80x = 12,292,994.70 × 3,943,801.80 - Step 4: Simplify right side
8,195,329.80x = 48,481,134,625,250.45 - Step 5: Solve for x
x = 48,481,134,625,250.45/8,195,329.80 - Step 6: Final answer
x = 5,915,702.70
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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.