Finding the Fourth Proportional to 11,122,879.70, 16,673,797.35 and 8,386,177.25
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Solution
The fourth proportional to 11,122,879.70, 16,673,797.35 and 8,386,177.25 is: 12,571,332.59
Step by Step Solution
- Step 1: Write the proportion equation
11,122,879.70 : 16,673,797.35 = 8,386,177.25 : x - Step 2: Convert to fraction form
11,122,879.70/16,673,797.35 = 8,386,177.25/x - Step 3: Cross multiply
11,122,879.70x = 16,673,797.35 × 8,386,177.25 - Step 4: Simplify right side
11,122,879.70x = 139,829,420,049,364.78 - Step 5: Solve for x
x = 139,829,420,049,364.78/11,122,879.70 - Step 6: Final answer
x = 12,571,332.59
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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.