Finding the Fourth Proportional to 13,683,159.36, 18,881,474.22 and 9,263,896.56
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Solution
The fourth proportional to 13,683,159.36, 18,881,474.22 and 9,263,896.56 is: 12,783,306.80
Step by Step Solution
- Step 1: Write the proportion equation
13,683,159.36 : 18,881,474.22 = 9,263,896.56 : x - Step 2: Convert to fraction form
13,683,159.36/18,881,474.22 = 9,263,896.56/x - Step 3: Cross multiply
13,683,159.36x = 18,881,474.22 × 9,263,896.56 - Step 4: Simplify right side
13,683,159.36x = 174,916,024,074,386.69 - Step 5: Solve for x
x = 174,916,024,074,386.69/13,683,159.36 - Step 6: Final answer
x = 12,783,306.80
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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.