Finding the Fourth Proportional to 18,536,712.80, 27,813,363.60 and 8,434,133.60
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Solution
The fourth proportional to 18,536,712.80, 27,813,363.60 and 8,434,133.60 is: 12,654,974.32
Step by Step Solution
- Step 1: Write the proportion equation
18,536,712.80 : 27,813,363.60 = 8,434,133.60 : x - Step 2: Convert to fraction form
18,536,712.80/27,813,363.60 = 8,434,133.60/x - Step 3: Cross multiply
18,536,712.80x = 27,813,363.60 × 8,434,133.60 - Step 4: Simplify right side
18,536,712.80x = 234,581,624,467,776.97 - Step 5: Solve for x
x = 234,581,624,467,776.97/18,536,712.80 - Step 6: Final answer
x = 12,654,974.32
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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.