Finding the Fourth Proportional to 15,606,101.88, 21,535,934.20 and 8,636,360.09
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Solution
The fourth proportional to 15,606,101.88, 21,535,934.20 and 8,636,360.09 is: 11,917,907.75
Step by Step Solution
- Step 1: Write the proportion equation
15,606,101.88 : 21,535,934.20 = 8,636,360.09 : x - Step 2: Convert to fraction form
15,606,101.88/21,535,934.20 = 8,636,360.09/x - Step 3: Cross multiply
15,606,101.88x = 21,535,934.20 × 8,636,360.09 - Step 4: Simplify right side
15,606,101.88x = 185,992,082,496,475.53 - Step 5: Solve for x
x = 185,992,082,496,475.53/15,606,101.88 - Step 6: Final answer
x = 11,917,907.75
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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.