Finding the Fourth Proportional to 7,731,298.10, 11,591,324.36 and 3,630,506.09
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Solution
The fourth proportional to 7,731,298.10, 11,591,324.36 and 3,630,506.09 is: 5,443,118.75
Step by Step Solution
- Step 1: Write the proportion equation
7,731,298.10 : 11,591,324.36 = 3,630,506.09 : x - Step 2: Convert to fraction form
7,731,298.10/11,591,324.36 = 3,630,506.09/x - Step 3: Cross multiply
7,731,298.10x = 11,591,324.36 × 3,630,506.09 - Step 4: Simplify right side
7,731,298.10x = 42,082,373,604,036.20 - Step 5: Solve for x
x = 42,082,373,604,036.20/7,731,298.10 - Step 6: Final answer
x = 5,443,118.75
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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.