Finding the Fourth Proportional to 8,193,724.24, 11,312,665.68 and 7,332,804.40
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Solution
The fourth proportional to 8,193,724.24, 11,312,665.68 and 7,332,804.40 is: 10,124,036.67
Step by Step Solution
- Step 1: Write the proportion equation
8,193,724.24 : 11,312,665.68 = 7,332,804.40 : x - Step 2: Convert to fraction form
8,193,724.24/11,312,665.68 = 7,332,804.40/x - Step 3: Cross multiply
8,193,724.24x = 11,312,665.68 × 7,332,804.40 - Step 4: Simplify right side
8,193,724.24x = 82,953,564,674,033 - Step 5: Solve for x
x = 82,953,564,674,033/8,193,724.24 - Step 6: Final answer
x = 10,124,036.67
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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.