Finding the Fourth Proportional to 18,427,247.46, 27,603,864.72 and 9,177,355.26
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Solution
The fourth proportional to 18,427,247.46, 27,603,864.72 and 9,177,355.26 is: 13,747,602.49
Step by Step Solution
- Step 1: Write the proportion equation
18,427,247.46 : 27,603,864.72 = 9,177,355.26 : x - Step 2: Convert to fraction form
18,427,247.46/27,603,864.72 = 9,177,355.26/x - Step 3: Cross multiply
18,427,247.46x = 27,603,864.72 × 9,177,355.26 - Step 4: Simplify right side
18,427,247.46x = 253,330,473,084,420.41 - Step 5: Solve for x
x = 253,330,473,084,420.41/18,427,247.46 - Step 6: Final answer
x = 13,747,602.49
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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.