Finding the Fourth Proportional to 11,615,631.46, 16,028,913.02 and 6,458,882.29
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Solution
The fourth proportional to 11,615,631.46, 16,028,913.02 and 6,458,882.29 is: 8,912,891.45
Step by Step Solution
- Step 1: Write the proportion equation
11,615,631.46 : 16,028,913.02 = 6,458,882.29 : x - Step 2: Convert to fraction form
11,615,631.46/16,028,913.02 = 6,458,882.29/x - Step 3: Cross multiply
11,615,631.46x = 16,028,913.02 × 6,458,882.29 - Step 4: Simplify right side
11,615,631.46x = 103,528,862,360,461.72 - Step 5: Solve for x
x = 103,528,862,360,461.72/11,615,631.46 - Step 6: Final answer
x = 8,912,891.45
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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.