Finding the Fourth Proportional to 34,297,238.98, 47,328,965.21 and 19,412,243.58
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Solution
The fourth proportional to 34,297,238.98, 47,328,965.21 and 19,412,243.58 is: 26,788,203.03
Step by Step Solution
- Step 1: Write the proportion equation
34,297,238.98 : 47,328,965.21 = 19,412,243.58 : x - Step 2: Convert to fraction form
34,297,238.98/47,328,965.21 = 19,412,243.58/x - Step 3: Cross multiply
34,297,238.98x = 47,328,965.21 × 19,412,243.58 - Step 4: Simplify right side
34,297,238.98x = 918,761,401,045,865.75 - Step 5: Solve for x
x = 918,761,401,045,865.75/34,297,238.98 - Step 6: Final answer
x = 26,788,203.03
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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.