Finding the Fourth Proportional to 9,102,360.24, 12,549,535.77 and 6,491,840.85
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Solution
The fourth proportional to 9,102,360.24, 12,549,535.77 and 6,491,840.85 is: 8,950,380.65
Step by Step Solution
- Step 1: Write the proportion equation
9,102,360.24 : 12,549,535.77 = 6,491,840.85 : x - Step 2: Convert to fraction form
9,102,360.24/12,549,535.77 = 6,491,840.85/x - Step 3: Cross multiply
9,102,360.24x = 12,549,535.77 × 6,491,840.85 - Step 4: Simplify right side
9,102,360.24x = 81,469,588,960,222.20 - Step 5: Solve for x
x = 81,469,588,960,222.20/9,102,360.24 - Step 6: Final answer
x = 8,950,380.65
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1.5x scale
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.