Finding the Fourth Proportional to 22,560,387.84, 33,846,078.42 and 7,207,657.56
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Solution
The fourth proportional to 22,560,387.84, 33,846,078.42 and 7,207,657.56 is: 10,813,242.43
Step by Step Solution
- Step 1: Write the proportion equation
22,560,387.84 : 33,846,078.42 = 7,207,657.56 : x - Step 2: Convert to fraction form
22,560,387.84/33,846,078.42 = 7,207,657.56/x - Step 3: Cross multiply
22,560,387.84x = 33,846,078.42 × 7,207,657.56 - Step 4: Simplify right side
22,560,387.84x = 243,950,943,000,265.84 - Step 5: Solve for x
x = 243,950,943,000,265.84/22,560,387.84 - Step 6: Final answer
x = 10,813,242.43
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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.