Finding the Fourth Proportional to 54,378,823.38, 81,567,436.35 and 13,438,261.41
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Solution
The fourth proportional to 54,378,823.38, 81,567,436.35 and 13,438,261.41 is: 20,157,194.73
Step by Step Solution
- Step 1: Write the proportion equation
54,378,823.38 : 81,567,436.35 = 13,438,261.41 : x - Step 2: Convert to fraction form
54,378,823.38/81,567,436.35 = 13,438,261.41/x - Step 3: Cross multiply
54,378,823.38x = 81,567,436.35 × 13,438,261.41 - Step 4: Simplify right side
54,378,823.38x = 1,096,124,532,214,836.12 - Step 5: Solve for x
x = 1,096,124,532,214,836.12/54,378,823.38 - Step 6: Final answer
x = 20,157,194.73
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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.