Finding the Fourth Proportional to 13,304,926.18, 19,948,808.79 and 5,218,719.27
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Solution
The fourth proportional to 13,304,926.18, 19,948,808.79 and 5,218,719.27 is: 7,824,713.29
Step by Step Solution
- Step 1: Write the proportion equation
13,304,926.18 : 19,948,808.79 = 5,218,719.27 : x - Step 2: Convert to fraction form
13,304,926.18/19,948,808.79 = 5,218,719.27/x - Step 3: Cross multiply
13,304,926.18x = 19,948,808.79 × 5,218,719.27 - Step 4: Simplify right side
13,304,926.18x = 104,107,232,771,110.36 - Step 5: Solve for x
x = 104,107,232,771,110.36/13,304,926.18 - Step 6: Final answer
x = 7,824,713.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.