Finding the Fourth Proportional to 34,396,719.36, 47,466,049.28 and 18,715,808.48
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Solution
The fourth proportional to 34,396,719.36, 47,466,049.28 and 18,715,808.48 is: 25,827,041.19
Step by Step Solution
- Step 1: Write the proportion equation
34,396,719.36 : 47,466,049.28 = 18,715,808.48 : x - Step 2: Convert to fraction form
34,396,719.36/47,466,049.28 = 18,715,808.48/x - Step 3: Cross multiply
34,396,719.36x = 47,466,049.28 × 18,715,808.48 - Step 4: Simplify right side
34,396,719.36x = 888,365,487,626,722 - Step 5: Solve for x
x = 888,365,487,626,722/34,396,719.36 - Step 6: Final answer
x = 25,827,041.19
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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.