Finding the Fourth Proportional to 27,603,679.40, 41,407,487.40 and 8,434,405.70
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Solution
The fourth proportional to 27,603,679.40, 41,407,487.40 and 8,434,405.70 is: 12,652,209.97
Step by Step Solution
- Step 1: Write the proportion equation
27,603,679.40 : 41,407,487.40 = 8,434,405.70 : x - Step 2: Convert to fraction form
27,603,679.40/41,407,487.40 = 8,434,405.70/x - Step 3: Cross multiply
27,603,679.40x = 41,407,487.40 × 8,434,405.70 - Step 4: Simplify right side
27,603,679.40x = 349,247,547,749,238.12 - Step 5: Solve for x
x = 349,247,547,749,238.12/27,603,679.40 - Step 6: Final answer
x = 12,652,209.97
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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.