Finding the Fourth Proportional to 19,936,864.36, 29,905,293.48 and 4,790,796.04
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Solution
The fourth proportional to 19,936,864.36, 29,905,293.48 and 4,790,796.04 is: 7,186,193.32
Step by Step Solution
- Step 1: Write the proportion equation
19,936,864.36 : 29,905,293.48 = 4,790,796.04 : x - Step 2: Convert to fraction form
19,936,864.36/29,905,293.48 = 4,790,796.04/x - Step 3: Cross multiply
19,936,864.36x = 29,905,293.48 × 4,790,796.04 - Step 4: Simplify right side
19,936,864.36x = 143,270,161,579,021.81 - Step 5: Solve for x
x = 143,270,161,579,021.81/19,936,864.36 - Step 6: Final answer
x = 7,186,193.32
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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.