Finding the Fourth Proportional to 33,163,938.36, 45,769,640.04 and 19,937,396.88
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Solution
The fourth proportional to 33,163,938.36, 45,769,640.04 and 19,937,396.88 is: 27,515,654.76
Step by Step Solution
- Step 1: Write the proportion equation
33,163,938.36 : 45,769,640.04 = 19,937,396.88 : x - Step 2: Convert to fraction form
33,163,938.36/45,769,640.04 = 19,937,396.88/x - Step 3: Cross multiply
33,163,938.36x = 45,769,640.04 × 19,937,396.88 - Step 4: Simplify right side
33,163,938.36x = 912,527,478,532,219 - Step 5: Solve for x
x = 912,527,478,532,219/33,163,938.36 - Step 6: Final answer
x = 27,515,654.76
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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.