Finding the Fourth Proportional to 40,461,654.99, 55,836,970.97 and 21,876,665.07
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Solution
The fourth proportional to 40,461,654.99, 55,836,970.97 and 21,876,665.07 is: 30,189,736.74
Step by Step Solution
- Step 1: Write the proportion equation
40,461,654.99 : 55,836,970.97 = 21,876,665.07 : x - Step 2: Convert to fraction form
40,461,654.99/55,836,970.97 = 21,876,665.07/x - Step 3: Cross multiply
40,461,654.99x = 55,836,970.97 × 21,876,665.07 - Step 4: Simplify right side
40,461,654.99x = 1,221,526,712,324,619.75 - Step 5: Solve for x
x = 1,221,526,712,324,619.75/40,461,654.99 - Step 6: Final answer
x = 30,189,736.74
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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.