Finding the Fourth Proportional to 18,133,309.60, 27,176,344.80 and 7,341,776.80
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Solution
The fourth proportional to 18,133,309.60, 27,176,344.80 and 7,341,776.80 is: 11,003,102.15
Step by Step Solution
- Step 1: Write the proportion equation
18,133,309.60 : 27,176,344.80 = 7,341,776.80 : x - Step 2: Convert to fraction form
18,133,309.60/27,176,344.80 = 7,341,776.80/x - Step 3: Cross multiply
18,133,309.60x = 27,176,344.80 × 7,341,776.80 - Step 4: Simplify right side
18,133,309.60x = 199,522,657,761,440.62 - Step 5: Solve for x
x = 199,522,657,761,440.62/18,133,309.60 - Step 6: Final answer
x = 11,003,102.15
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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.