Finding the Fourth Proportional to 19,434,996.14, 29,149,505.12 and 6,481,373.18
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Solution
The fourth proportional to 19,434,996.14, 29,149,505.12 and 6,481,373.18 is: 9,721,062.94
Step by Step Solution
- Step 1: Write the proportion equation
19,434,996.14 : 29,149,505.12 = 6,481,373.18 : x - Step 2: Convert to fraction form
19,434,996.14/29,149,505.12 = 6,481,373.18/x - Step 3: Cross multiply
19,434,996.14x = 29,149,505.12 × 6,481,373.18 - Step 4: Simplify right side
19,434,996.14x = 188,928,820,695,040.69 - Step 5: Solve for x
x = 188,928,820,695,040.69/19,434,996.14 - Step 6: Final answer
x = 9,721,062.94
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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.