Finding the Fourth Proportional to 13,304,526.70, 19,956,790.05 and 10,434,745.30
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Solution
The fourth proportional to 13,304,526.70, 19,956,790.05 and 10,434,745.30 is: 15,652,117.95
Step by Step Solution
- Step 1: Write the proportion equation
13,304,526.70 : 19,956,790.05 = 10,434,745.30 : x - Step 2: Convert to fraction form
13,304,526.70/19,956,790.05 = 10,434,745.30/x - Step 3: Cross multiply
13,304,526.70x = 19,956,790.05 × 10,434,745.30 - Step 4: Simplify right side
13,304,526.70x = 208,244,021,177,324.28 - Step 5: Solve for x
x = 208,244,021,177,324.28/13,304,526.70 - Step 6: Final answer
x = 15,652,117.95
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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.