Finding the Fourth Proportional to 43,351,409.76, 65,023,844.51 and 13,806,405.96
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Solution
The fourth proportional to 43,351,409.76, 65,023,844.51 and 13,806,405.96 is: 20,708,567.48
Step by Step Solution
- Step 1: Write the proportion equation
43,351,409.76 : 65,023,844.51 = 13,806,405.96 : x - Step 2: Convert to fraction form
43,351,409.76/65,023,844.51 = 13,806,405.96/x - Step 3: Cross multiply
43,351,409.76x = 65,023,844.51 × 13,806,405.96 - Step 4: Simplify right side
43,351,409.76x = 897,745,594,175,654 - Step 5: Solve for x
x = 897,745,594,175,654/43,351,409.76 - Step 6: Final answer
x = 20,708,567.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.