Finding the Fourth Proportional to 13,192,036.19, 18,204,569.81 and 7,311,419.79
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Solution
The fourth proportional to 13,192,036.19, 18,204,569.81 and 7,311,419.79 is: 10,089,515.37
Step by Step Solution
- Step 1: Write the proportion equation
13,192,036.19 : 18,204,569.81 = 7,311,419.79 : x - Step 2: Convert to fraction form
13,192,036.19/18,204,569.81 = 7,311,419.79/x - Step 3: Cross multiply
13,192,036.19x = 18,204,569.81 × 7,311,419.79 - Step 4: Simplify right side
13,192,036.19x = 133,101,251,849,690.59 - Step 5: Solve for x
x = 133,101,251,849,690.59/13,192,036.19 - Step 6: Final answer
x = 10,089,515.37
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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.