Finding the Fourth Proportional to 7,650,750.38, 10,558,035.52 and 4,212,983.21
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Solution
The fourth proportional to 7,650,750.38, 10,558,035.52 and 4,212,983.21 is: 5,813,916.82
Step by Step Solution
- Step 1: Write the proportion equation
7,650,750.38 : 10,558,035.52 = 4,212,983.21 : x - Step 2: Convert to fraction form
7,650,750.38/10,558,035.52 = 4,212,983.21/x - Step 3: Cross multiply
7,650,750.38x = 10,558,035.52 × 4,212,983.21 - Step 4: Simplify right side
7,650,750.38x = 44,480,826,313,020.98 - Step 5: Solve for x
x = 44,480,826,313,020.98/7,650,750.38 - Step 6: Final answer
x = 5,813,916.82
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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.