Finding the Fourth Proportional to 10,244,124.80, 15,366,187.20 and 9,771,732.80
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Solution
The fourth proportional to 10,244,124.80, 15,366,187.20 and 9,771,732.80 is: 14,657,599.20
Step by Step Solution
- Step 1: Write the proportion equation
10,244,124.80 : 15,366,187.20 = 9,771,732.80 : x - Step 2: Convert to fraction form
10,244,124.80/15,366,187.20 = 9,771,732.80/x - Step 3: Cross multiply
10,244,124.80x = 15,366,187.20 × 9,771,732.80 - Step 4: Simplify right side
10,244,124.80x = 150,154,275,473,180.16 - Step 5: Solve for x
x = 150,154,275,473,180.16/10,244,124.80 - Step 6: Final answer
x = 14,657,599.20
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1.5x scale
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.