Finding the Fourth Proportional to 8,276,865.60, 12,415,823.20 and 2,597,314.08
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Solution
The fourth proportional to 8,276,865.60, 12,415,823.20 and 2,597,314.08 is: 3,896,135.80
Step by Step Solution
- Step 1: Write the proportion equation
8,276,865.60 : 12,415,823.20 = 2,597,314.08 : x - Step 2: Convert to fraction form
8,276,865.60/12,415,823.20 = 2,597,314.08/x - Step 3: Cross multiply
8,276,865.60x = 12,415,823.20 × 2,597,314.08 - Step 4: Simplify right side
8,276,865.60x = 32,247,792,412,150.66 - Step 5: Solve for x
x = 32,247,792,412,150.66/8,276,865.60 - Step 6: Final answer
x = 3,896,135.80
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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.