Finding the Fourth Proportional to 14,305,603.31, 19,742,251.73 and 8,195,212.79
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Solution
The fourth proportional to 14,305,603.31, 19,742,251.73 and 8,195,212.79 is: 11,309,691.06
Step by Step Solution
- Step 1: Write the proportion equation
14,305,603.31 : 19,742,251.73 = 8,195,212.79 : x - Step 2: Convert to fraction form
14,305,603.31/19,742,251.73 = 8,195,212.79/x - Step 3: Cross multiply
14,305,603.31x = 19,742,251.73 × 8,195,212.79 - Step 4: Simplify right side
14,305,603.31x = 161,791,953,840,119.56 - Step 5: Solve for x
x = 161,791,953,840,119.56/14,305,603.31 - Step 6: Final answer
x = 11,309,691.06
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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.