Finding the Fourth Proportional to 28,560,240.74, 39,412,728.68 and 16,170,014.46
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Solution
The fourth proportional to 28,560,240.74, 39,412,728.68 and 16,170,014.46 is: 22,314,391.48
Step by Step Solution
- Step 1: Write the proportion equation
28,560,240.74 : 39,412,728.68 = 16,170,014.46 : x - Step 2: Convert to fraction form
28,560,240.74/39,412,728.68 = 16,170,014.46/x - Step 3: Cross multiply
28,560,240.74x = 39,412,728.68 × 16,170,014.46 - Step 4: Simplify right side
28,560,240.74x = 637,304,392,663,656.75 - Step 5: Solve for x
x = 637,304,392,663,656.75/28,560,240.74 - Step 6: Final answer
x = 22,314,391.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.