Finding the Fourth Proportional to 28,686,348.26, 39,582,313.83 and 16,125,729.78
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Solution
The fourth proportional to 28,686,348.26, 39,582,313.83 and 16,125,729.78 is: 22,250,782.54
Step by Step Solution
- Step 1: Write the proportion equation
28,686,348.26 : 39,582,313.83 = 16,125,729.78 : x - Step 2: Convert to fraction form
28,686,348.26/39,582,313.83 = 16,125,729.78/x - Step 3: Cross multiply
28,686,348.26x = 39,582,313.83 × 16,125,729.78 - Step 4: Simplify right side
28,686,348.26x = 638,293,697,015,481.62 - Step 5: Solve for x
x = 638,293,697,015,481.62/28,686,348.26 - Step 6: Final answer
x = 22,250,782.54
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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.