Finding the Fourth Proportional to 10,220,060.99, 15,313,826.39 and 7,151,861.08
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Solution
The fourth proportional to 10,220,060.99, 15,313,826.39 and 7,151,861.08 is: 10,716,409.52
Step by Step Solution
- Step 1: Write the proportion equation
10,220,060.99 : 15,313,826.39 = 7,151,861.08 : x - Step 2: Convert to fraction form
10,220,060.99/15,313,826.39 = 7,151,861.08/x - Step 3: Cross multiply
10,220,060.99x = 15,313,826.39 × 7,151,861.08 - Step 4: Simplify right side
10,220,060.99x = 109,522,358,927,900.88 - Step 5: Solve for x
x = 109,522,358,927,900.88/10,220,060.99 - Step 6: Final answer
x = 10,716,409.52
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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.