Finding the Fourth Proportional to 14,305,599.06, 19,742,245.85 and 8,195,208.54
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Solution
The fourth proportional to 14,305,599.06, 19,742,245.85 and 8,195,208.54 is: 11,309,685.18
Step by Step Solution
- Step 1: Write the proportion equation
14,305,599.06 : 19,742,245.85 = 8,195,208.54 : x - Step 2: Convert to fraction form
14,305,599.06/19,742,245.85 = 8,195,208.54/x - Step 3: Cross multiply
14,305,599.06x = 19,742,245.85 × 8,195,208.54 - Step 4: Simplify right side
14,305,599.06x = 161,791,821,747,723.50 - Step 5: Solve for x
x = 161,791,821,747,723.50/14,305,599.06 - Step 6: Final answer
x = 11,309,685.18
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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.