Finding the Fourth Proportional to 8,135,289.72, 11,226,668.99 and 4,464,267.66
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Solution
The fourth proportional to 8,135,289.72, 11,226,668.99 and 4,464,267.66 is: 6,160,672.45
Step by Step Solution
- Step 1: Write the proportion equation
8,135,289.72 : 11,226,668.99 = 4,464,267.66 : x - Step 2: Convert to fraction form
8,135,289.72/11,226,668.99 = 4,464,267.66/x - Step 3: Cross multiply
8,135,289.72x = 11,226,668.99 × 4,464,267.66 - Step 4: Simplify right side
8,135,289.72x = 50,118,855,279,260.52 - Step 5: Solve for x
x = 50,118,855,279,260.52/8,135,289.72 - Step 6: Final answer
x = 6,160,672.45
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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.