Finding the Fourth Proportional to 8,168,602.80, 12,256,840.80 and 5,767,276.80
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Solution
The fourth proportional to 8,168,602.80, 12,256,840.80 and 5,767,276.80 is: 8,653,694.56
Step by Step Solution
- Step 1: Write the proportion equation
8,168,602.80 : 12,256,840.80 = 5,767,276.80 : x - Step 2: Convert to fraction form
8,168,602.80/12,256,840.80 = 5,767,276.80/x - Step 3: Cross multiply
8,168,602.80x = 12,256,840.80 × 5,767,276.80 - Step 4: Simplify right side
8,168,602.80x = 70,688,593,587,133.44 - Step 5: Solve for x
x = 70,688,593,587,133.44/8,168,602.80 - Step 6: Final answer
x = 8,653,694.56
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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.