Finding the Fourth Proportional to 8,193,767.09, 11,305,710.68 and 4,708,432.67
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Solution
The fourth proportional to 8,193,767.09, 11,305,710.68 and 4,708,432.67 is: 6,496,667.15
Step by Step Solution
- Step 1: Write the proportion equation
8,193,767.09 : 11,305,710.68 = 4,708,432.67 : x - Step 2: Convert to fraction form
8,193,767.09/11,305,710.68 = 4,708,432.67/x - Step 3: Cross multiply
8,193,767.09x = 11,305,710.68 × 4,708,432.67 - Step 4: Simplify right side
8,193,767.09x = 53,232,177,443,209.20 - Step 5: Solve for x
x = 53,232,177,443,209.20/8,193,767.09 - Step 6: Final answer
x = 6,496,667.15
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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.