Finding the Fourth Proportional to 10,356,465.70, 15,532,207.35 and 5,305,176.10
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Solution
The fourth proportional to 10,356,465.70, 15,532,207.35 and 5,305,176.10 is: 7,956,488.01
Step by Step Solution
- Step 1: Write the proportion equation
10,356,465.70 : 15,532,207.35 = 5,305,176.10 : x - Step 2: Convert to fraction form
10,356,465.70/15,532,207.35 = 5,305,176.10/x - Step 3: Cross multiply
10,356,465.70x = 15,532,207.35 × 5,305,176.10 - Step 4: Simplify right side
10,356,465.70x = 82,401,095,213,464.33 - Step 5: Solve for x
x = 82,401,095,213,464.33/10,356,465.70 - Step 6: Final answer
x = 7,956,488.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.