Finding the Fourth Proportional to 34,438,657.66, 47,525,344.92 and 18,968,742.30
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Solution
The fourth proportional to 34,438,657.66, 47,525,344.92 and 18,968,742.30 is: 26,176,862.92
Step by Step Solution
- Step 1: Write the proportion equation
34,438,657.66 : 47,525,344.92 = 18,968,742.30 : x - Step 2: Convert to fraction form
34,438,657.66/47,525,344.92 = 18,968,742.30/x - Step 3: Cross multiply
34,438,657.66x = 47,525,344.92 × 18,968,742.30 - Step 4: Simplify right side
34,438,657.66x = 901,496,020,613,181.38 - Step 5: Solve for x
x = 901,496,020,613,181.38/34,438,657.66 - Step 6: Final answer
x = 26,176,862.92
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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.