Finding the Fourth Proportional to 7,408,325.68, 11,168,015.23 and 6,914,528.56
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Solution
The fourth proportional to 7,408,325.68, 11,168,015.23 and 6,914,528.56 is: 10,423,618.45
Step by Step Solution
- Step 1: Write the proportion equation
7,408,325.68 : 11,168,015.23 = 6,914,528.56 : x - Step 2: Convert to fraction form
7,408,325.68/11,168,015.23 = 6,914,528.56/x - Step 3: Cross multiply
7,408,325.68x = 11,168,015.23 × 6,914,528.56 - Step 4: Simplify right side
7,408,325.68x = 77,221,560,266,349.97 - Step 5: Solve for x
x = 77,221,560,266,349.97/7,408,325.68 - Step 6: Final answer
x = 10,423,618.45
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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.