Finding the Fourth Proportional to 8,615,478.44, 11,889,441.42 and 4,748,138.84
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Solution
The fourth proportional to 8,615,478.44, 11,889,441.42 and 4,748,138.84 is: 6,552,476.33
Step by Step Solution
- Step 1: Write the proportion equation
8,615,478.44 : 11,889,441.42 = 4,748,138.84 : x - Step 2: Convert to fraction form
8,615,478.44/11,889,441.42 = 4,748,138.84/x - Step 3: Cross multiply
8,615,478.44x = 11,889,441.42 × 4,748,138.84 - Step 4: Simplify right side
8,615,478.44x = 56,452,718,592,206.75 - Step 5: Solve for x
x = 56,452,718,592,206.75/8,615,478.44 - Step 6: Final answer
x = 6,552,476.33
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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.