Finding the Fourth Proportional to 10,865,305.20, 16,292,052.90 and 4,476,203.40
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Solution
The fourth proportional to 10,865,305.20, 16,292,052.90 and 4,476,203.40 is: 6,711,872.45
Step by Step Solution
- Step 1: Write the proportion equation
10,865,305.20 : 16,292,052.90 = 4,476,203.40 : x - Step 2: Convert to fraction form
10,865,305.20/16,292,052.90 = 4,476,203.40/x - Step 3: Cross multiply
10,865,305.20x = 16,292,052.90 × 4,476,203.40 - Step 4: Simplify right side
10,865,305.20x = 72,926,542,583,959.88 - Step 5: Solve for x
x = 72,926,542,583,959.88/10,865,305.20 - Step 6: Final answer
x = 6,711,872.45
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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.