Finding the Fourth Proportional to 14,305,626.84, 19,742,284.20 and 8,195,236.32
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Solution
The fourth proportional to 14,305,626.84, 19,742,284.20 and 8,195,236.32 is: 11,309,723.53
Step by Step Solution
- Step 1: Write the proportion equation
14,305,626.84 : 19,742,284.20 = 8,195,236.32 : x - Step 2: Convert to fraction form
14,305,626.84/19,742,284.20 = 8,195,236.32/x - Step 3: Cross multiply
14,305,626.84x = 19,742,284.20 × 8,195,236.32 - Step 4: Simplify right side
14,305,626.84x = 161,792,684,515,602.16 - Step 5: Solve for x
x = 161,792,684,515,602.16/14,305,626.84 - Step 6: Final answer
x = 11,309,723.53
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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.