Finding the Fourth Proportional to 45,700,398.80, 68,502,767.16 and 15,397,791.44
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Solution
The fourth proportional to 45,700,398.80, 68,502,767.16 and 15,397,791.44 is: 23,080,571.49
Step by Step Solution
- Step 1: Write the proportion equation
45,700,398.80 : 68,502,767.16 = 15,397,791.44 : x - Step 2: Convert to fraction form
45,700,398.80/68,502,767.16 = 15,397,791.44/x - Step 3: Cross multiply
45,700,398.80x = 68,502,767.16 × 15,397,791.44 - Step 4: Simplify right side
45,700,398.80x = 1,054,791,321,792,561 - Step 5: Solve for x
x = 1,054,791,321,792,561/45,700,398.80 - Step 6: Final answer
x = 23,080,571.49
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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.