Finding the Fourth Proportional to 28,560,239.74, 39,412,727.31 and 16,170,013.45
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Solution
The fourth proportional to 28,560,239.74, 39,412,727.31 and 16,170,013.45 is: 22,314,390.09
Step by Step Solution
- Step 1: Write the proportion equation
28,560,239.74 : 39,412,727.31 = 16,170,013.45 : x - Step 2: Convert to fraction form
28,560,239.74/39,412,727.31 = 16,170,013.45/x - Step 3: Cross multiply
28,560,239.74x = 39,412,727.31 × 16,170,013.45 - Step 4: Simplify right side
28,560,239.74x = 637,304,330,703,882.38 - Step 5: Solve for x
x = 637,304,330,703,882.38/28,560,239.74 - Step 6: Final answer
x = 22,314,390.09
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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.