Finding the Fourth Proportional to 16,474,505.28, 22,709,615.76 and 11,565,957.12
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Solution
The fourth proportional to 16,474,505.28, 22,709,615.76 and 11,565,957.12 is: 15,943,328.05
Step by Step Solution
- Step 1: Write the proportion equation
16,474,505.28 : 22,709,615.76 = 11,565,957.12 : x - Step 2: Convert to fraction form
16,474,505.28/22,709,615.76 = 11,565,957.12/x - Step 3: Cross multiply
16,474,505.28x = 22,709,615.76 × 11,565,957.12 - Step 4: Simplify right side
16,474,505.28x = 262,658,442,091,836.22 - Step 5: Solve for x
x = 262,658,442,091,836.22/16,474,505.28 - Step 6: Final answer
x = 15,943,328.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.