Finding the Fourth Proportional to 8,481,934.06, 11,709,134.48 and 5,221,543.52
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Solution
The fourth proportional to 8,481,934.06, 11,709,134.48 and 5,221,543.52 is: 7,208,232.80
Step by Step Solution
- Step 1: Write the proportion equation
8,481,934.06 : 11,709,134.48 = 5,221,543.52 : x - Step 2: Convert to fraction form
8,481,934.06/11,709,134.48 = 5,221,543.52/x - Step 3: Cross multiply
8,481,934.06x = 11,709,134.48 × 5,221,543.52 - Step 4: Simplify right side
8,481,934.06x = 61,139,755,311,179.27 - Step 5: Solve for x
x = 61,139,755,311,179.27/8,481,934.06 - Step 6: Final answer
x = 7,208,232.80
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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.