Finding the Fourth Proportional to 14,305,602.81, 19,742,251.04 and 8,195,212.29
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Solution
The fourth proportional to 14,305,602.81, 19,742,251.04 and 8,195,212.29 is: 11,309,690.37
Step by Step Solution
- Step 1: Write the proportion equation
14,305,602.81 : 19,742,251.04 = 8,195,212.29 : x - Step 2: Convert to fraction form
14,305,602.81/19,742,251.04 = 8,195,212.29/x - Step 3: Cross multiply
14,305,602.81x = 19,742,251.04 × 8,195,212.29 - Step 4: Simplify right side
14,305,602.81x = 161,791,938,314,297.22 - Step 5: Solve for x
x = 161,791,938,314,297.22/14,305,602.81 - Step 6: Final answer
x = 11,309,690.37
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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.