Finding the Fourth Proportional to 7,408,324.68, 11,168,013.72 and 6,914,527.56
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Solution
The fourth proportional to 7,408,324.68, 11,168,013.72 and 6,914,527.56 is: 10,423,616.94
Step by Step Solution
- Step 1: Write the proportion equation
7,408,324.68 : 11,168,013.72 = 6,914,527.56 : x - Step 2: Convert to fraction form
7,408,324.68/11,168,013.72 = 6,914,527.56/x - Step 3: Cross multiply
7,408,324.68x = 11,168,013.72 × 6,914,527.56 - Step 4: Simplify right side
7,408,324.68x = 77,221,538,657,398.12 - Step 5: Solve for x
x = 77,221,538,657,398.12/7,408,324.68 - Step 6: Final answer
x = 10,423,616.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.