Finding the Fourth Proportional to 34,186,522.96, 47,175,610.09 and 18,713,643.76
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Solution
The fourth proportional to 34,186,522.96, 47,175,610.09 and 18,713,643.76 is: 25,823,847.67
Step by Step Solution
- Step 1: Write the proportion equation
34,186,522.96 : 47,175,610.09 = 18,713,643.76 : x - Step 2: Convert to fraction form
34,186,522.96/47,175,610.09 = 18,713,643.76/x - Step 3: Cross multiply
34,186,522.96x = 47,175,610.09 × 18,713,643.76 - Step 4: Simplify right side
34,186,522.96x = 882,827,561,055,475.25 - Step 5: Solve for x
x = 882,827,561,055,475.25/34,186,522.96 - Step 6: Final answer
x = 25,823,847.67
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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.