Finding the Fourth Proportional to 11,282,112.20, 15,569,314.34 and 6,125,474.40
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Solution
The fourth proportional to 11,282,112.20, 15,569,314.34 and 6,125,474.40 is: 8,453,154.40
Step by Step Solution
- Step 1: Write the proportion equation
11,282,112.20 : 15,569,314.34 = 6,125,474.40 : x - Step 2: Convert to fraction form
11,282,112.20/15,569,314.34 = 6,125,474.40/x - Step 3: Cross multiply
11,282,112.20x = 15,569,314.34 × 6,125,474.40 - Step 4: Simplify right side
11,282,112.20x = 95,369,436,384,595.53 - Step 5: Solve for x
x = 95,369,436,384,595.53/11,282,112.20 - Step 6: Final answer
x = 8,453,154.40
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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.