Finding the Fourth Proportional to 39,299,699.54, 58,873,996.28 and 21,975,355.97
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Solution
The fourth proportional to 39,299,699.54, 58,873,996.28 and 21,975,355.97 is: 32,920,786.70
Step by Step Solution
- Step 1: Write the proportion equation
39,299,699.54 : 58,873,996.28 = 21,975,355.97 : x - Step 2: Convert to fraction form
39,299,699.54/58,873,996.28 = 21,975,355.97/x - Step 3: Cross multiply
39,299,699.54x = 58,873,996.28 × 21,975,355.97 - Step 4: Simplify right side
39,299,699.54x = 1,293,777,025,666,764 - Step 5: Solve for x
x = 1,293,777,025,666,764/39,299,699.54 - Step 6: Final answer
x = 32,920,786.70
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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.