Finding the Fourth Proportional to 34,202,718.02, 47,199,796.38 and 18,521,769.55
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Solution
The fourth proportional to 34,202,718.02, 47,199,796.38 and 18,521,769.55 is: 25,560,066.63
Step by Step Solution
- Step 1: Write the proportion equation
34,202,718.02 : 47,199,796.38 = 18,521,769.55 : x - Step 2: Convert to fraction form
34,202,718.02/47,199,796.38 = 18,521,769.55/x - Step 3: Cross multiply
34,202,718.02x = 47,199,796.38 × 18,521,769.55 - Step 4: Simplify right side
34,202,718.02x = 874,223,751,357,284.38 - Step 5: Solve for x
x = 874,223,751,357,284.38/34,202,718.02 - Step 6: Final answer
x = 25,560,066.63
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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.