Finding the Fourth Proportional to 15,691,828.28, 21,654,982 and 8,627,720
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Solution
The fourth proportional to 15,691,828.28, 21,654,982 and 8,627,720 is: 11,906,395.99
Step by Step Solution
- Step 1: Write the proportion equation
15,691,828.28 : 21,654,982 = 8,627,720 : x - Step 2: Convert to fraction form
15,691,828.28/21,654,982 = 8,627,720/x - Step 3: Cross multiply
15,691,828.28x = 21,654,982 × 8,627,720 - Step 4: Simplify right side
15,691,828.28x = 186,833,121,301,040 - Step 5: Solve for x
x = 186,833,121,301,040/15,691,828.28 - Step 6: Final answer
x = 11,906,395.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.