Finding the Fourth Proportional to 29,556,861.28, 40,816,637.08 and 27,946,616.56
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Solution
The fourth proportional to 29,556,861.28, 40,816,637.08 and 27,946,616.56 is: 38,592,964.76
Step by Step Solution
- Step 1: Write the proportion equation
29,556,861.28 : 40,816,637.08 = 27,946,616.56 : x - Step 2: Convert to fraction form
29,556,861.28/40,816,637.08 = 27,946,616.56/x - Step 3: Cross multiply
29,556,861.28x = 40,816,637.08 × 27,946,616.56 - Step 4: Simplify right side
29,556,861.28x = 1,140,686,905,743,438 - Step 5: Solve for x
x = 1,140,686,905,743,438/29,556,861.28 - Step 6: Final answer
x = 38,592,964.76
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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.