Finding the Fourth Proportional to 8,901,197.84, 12,285,225.68 and 5,230,113.68
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Solution
The fourth proportional to 8,901,197.84, 12,285,225.68 and 5,230,113.68 is: 7,218,480.93
Step by Step Solution
- Step 1: Write the proportion equation
8,901,197.84 : 12,285,225.68 = 5,230,113.68 : x - Step 2: Convert to fraction form
8,901,197.84/12,285,225.68 = 5,230,113.68/x - Step 3: Cross multiply
8,901,197.84x = 12,285,225.68 × 5,230,113.68 - Step 4: Simplify right side
8,901,197.84x = 64,253,126,890,855.30 - Step 5: Solve for x
x = 64,253,126,890,855.30/8,901,197.84 - Step 6: Final answer
x = 7,218,480.93
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1.5x scale
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.