Finding the Fourth Proportional to 13,362,404.40, 18,440,167.68 and 7,250,833.44
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Solution
The fourth proportional to 13,362,404.40, 18,440,167.68 and 7,250,833.44 is: 10,006,177.07
Step by Step Solution
- Step 1: Write the proportion equation
13,362,404.40 : 18,440,167.68 = 7,250,833.44 : x - Step 2: Convert to fraction form
13,362,404.40/18,440,167.68 = 7,250,833.44/x - Step 3: Cross multiply
13,362,404.40x = 18,440,167.68 × 7,250,833.44 - Step 4: Simplify right side
13,362,404.40x = 133,706,584,453,351.22 - Step 5: Solve for x
x = 133,706,584,453,351.22/13,362,404.40 - Step 6: Final answer
x = 10,006,177.07
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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.