Finding the Fourth Proportional to 13,136,324.04, 18,127,955.52 and 7,335,204.48
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Solution
The fourth proportional to 13,136,324.04, 18,127,955.52 and 7,335,204.48 is: 10,122,486.33
Step by Step Solution
- Step 1: Write the proportion equation
13,136,324.04 : 18,127,955.52 = 7,335,204.48 : x - Step 2: Convert to fraction form
13,136,324.04/18,127,955.52 = 7,335,204.48/x - Step 3: Cross multiply
13,136,324.04x = 18,127,955.52 × 7,335,204.48 - Step 4: Simplify right side
13,136,324.04x = 132,972,260,543,544.73 - Step 5: Solve for x
x = 132,972,260,543,544.73/13,136,324.04 - Step 6: Final answer
x = 10,122,486.33
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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.