Finding the Fourth Proportional to 28,635,609.60, 39,517,616.88 and 15,583,418.64
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Solution
The fourth proportional to 28,635,609.60, 39,517,616.88 and 15,583,418.64 is: 21,505,376.56
Step by Step Solution
- Step 1: Write the proportion equation
28,635,609.60 : 39,517,616.88 = 15,583,418.64 : x - Step 2: Convert to fraction form
28,635,609.60/39,517,616.88 = 15,583,418.64/x - Step 3: Cross multiply
28,635,609.60x = 39,517,616.88 × 15,583,418.64 - Step 4: Simplify right side
28,635,609.60x = 615,819,567,496,170.75 - Step 5: Solve for x
x = 615,819,567,496,170.75/28,635,609.60 - Step 6: Final answer
x = 21,505,376.56
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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.