Finding the Fourth Proportional to 33,104,794.12, 45,684,615.90 and 18,421,406.26
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Solution
The fourth proportional to 33,104,794.12, 45,684,615.90 and 18,421,406.26 is: 25,421,540.65
Step by Step Solution
- Step 1: Write the proportion equation
33,104,794.12 : 45,684,615.90 = 18,421,406.26 : x - Step 2: Convert to fraction form
33,104,794.12/45,684,615.90 = 18,421,406.26/x - Step 3: Cross multiply
33,104,794.12x = 45,684,615.90 × 18,421,406.26 - Step 4: Simplify right side
33,104,794.12x = 841,574,869,325,955.62 - Step 5: Solve for x
x = 841,574,869,325,955.62/33,104,794.12 - Step 6: Final answer
x = 25,421,540.65
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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.