Finding the Fourth Proportional to 10,921,119.70, 16,381,679.55 and 2,942,943.70
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Solution
The fourth proportional to 10,921,119.70, 16,381,679.55 and 2,942,943.70 is: 4,414,415.55
Step by Step Solution
- Step 1: Write the proportion equation
10,921,119.70 : 16,381,679.55 = 2,942,943.70 : x - Step 2: Convert to fraction form
10,921,119.70/16,381,679.55 = 2,942,943.70/x - Step 3: Cross multiply
10,921,119.70x = 16,381,679.55 × 2,942,943.70 - Step 4: Simplify right side
10,921,119.70x = 48,210,360,627,091.34 - Step 5: Solve for x
x = 48,210,360,627,091.34/10,921,119.70 - Step 6: Final answer
x = 4,414,415.55
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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.