Finding the Fourth Proportional to 34,136,741.36, 47,070,393.90 and 21,727,178.48
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Solution
The fourth proportional to 34,136,741.36, 47,070,393.90 and 21,727,178.48 is: 29,959,123.47
Step by Step Solution
- Step 1: Write the proportion equation
34,136,741.36 : 47,070,393.90 = 21,727,178.48 : x - Step 2: Convert to fraction form
34,136,741.36/47,070,393.90 = 21,727,178.48/x - Step 3: Cross multiply
34,136,741.36x = 47,070,393.90 × 21,727,178.48 - Step 4: Simplify right side
34,136,741.36x = 1,022,706,849,389,203.25 - Step 5: Solve for x
x = 1,022,706,849,389,203.25/34,136,741.36 - Step 6: Final answer
x = 29,959,123.47
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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.