Finding the Fourth Proportional to 25,438,780, 38,141,425.68 and 16,776,469.09
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Solution
The fourth proportional to 25,438,780, 38,141,425.68 and 16,776,469.09 is: 25,153,661.02
Step by Step Solution
- Step 1: Write the proportion equation
25,438,780 : 38,141,425.68 = 16,776,469.09 : x - Step 2: Convert to fraction form
25,438,780/38,141,425.68 = 16,776,469.09/x - Step 3: Cross multiply
25,438,780x = 38,141,425.68 × 16,776,469.09 - Step 4: Simplify right side
25,438,780x = 639,878,448,969,052.25 - Step 5: Solve for x
x = 639,878,448,969,052.25/25,438,780 - Step 6: Final answer
x = 25,153,661.02
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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.