Finding the Fourth Proportional to 9,347,685.33, 12,901,958.08 and 5,481,452.05
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Solution
The fourth proportional to 9,347,685.33, 12,901,958.08 and 5,481,452.05 is: 7,565,665.95
Step by Step Solution
- Step 1: Write the proportion equation
9,347,685.33 : 12,901,958.08 = 5,481,452.05 : x - Step 2: Convert to fraction form
9,347,685.33/12,901,958.08 = 5,481,452.05/x - Step 3: Cross multiply
9,347,685.33x = 12,901,958.08 × 5,481,452.05 - Step 4: Simplify right side
9,347,685.33x = 70,721,464,566,630.06 - Step 5: Solve for x
x = 70,721,464,566,630.06/9,347,685.33 - Step 6: Final answer
x = 7,565,665.95
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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.