Finding the Fourth Proportional to 19,451,421.36, 29,177,132.04 and 7,481,358
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Solution
The fourth proportional to 19,451,421.36, 29,177,132.04 and 7,481,358 is: 11,222,037
Step by Step Solution
- Step 1: Write the proportion equation
19,451,421.36 : 29,177,132.04 = 7,481,358 : x - Step 2: Convert to fraction form
19,451,421.36/29,177,132.04 = 7,481,358/x - Step 3: Cross multiply
19,451,421.36x = 29,177,132.04 × 7,481,358 - Step 4: Simplify right side
19,451,421.36x = 218,284,570,204,510.31 - Step 5: Solve for x
x = 218,284,570,204,510.31/19,451,421.36 - Step 6: Final answer
x = 11,222,037
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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.