Finding the Fourth Proportional to 8,749,702.40, 13,124,553.60 and 4,923,327.20
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Solution
The fourth proportional to 8,749,702.40, 13,124,553.60 and 4,923,327.20 is: 7,384,990.80
Step by Step Solution
- Step 1: Write the proportion equation
8,749,702.40 : 13,124,553.60 = 4,923,327.20 : x - Step 2: Convert to fraction form
8,749,702.40/13,124,553.60 = 4,923,327.20/x - Step 3: Cross multiply
8,749,702.40x = 13,124,553.60 × 4,923,327.20 - Step 4: Simplify right side
8,749,702.40x = 64,616,471,726,737.92 - Step 5: Solve for x
x = 64,616,471,726,737.92/8,749,702.40 - Step 6: Final answer
x = 7,384,990.80
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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.