Finding the Fourth Proportional to 7,439,101.20, 11,144,873.70 and 4,234,708.80
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Solution
The fourth proportional to 7,439,101.20, 11,144,873.70 and 4,234,708.80 is: 6,344,220.02
Step by Step Solution
- Step 1: Write the proportion equation
7,439,101.20 : 11,144,873.70 = 4,234,708.80 : x - Step 2: Convert to fraction form
7,439,101.20/11,144,873.70 = 4,234,708.80/x - Step 3: Cross multiply
7,439,101.20x = 11,144,873.70 × 4,234,708.80 - Step 4: Simplify right side
7,439,101.20x = 47,195,294,732,278.55 - Step 5: Solve for x
x = 47,195,294,732,278.55/7,439,101.20 - Step 6: Final answer
x = 6,344,220.02
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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.