Finding the Fourth Proportional to 36,692,926.07, 50,636,270.36 and 20,173,331.70
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Solution
The fourth proportional to 36,692,926.07, 50,636,270.36 and 20,173,331.70 is: 27,839,215.55
Step by Step Solution
- Step 1: Write the proportion equation
36,692,926.07 : 50,636,270.36 = 20,173,331.70 : x - Step 2: Convert to fraction form
36,692,926.07/50,636,270.36 = 20,173,331.70/x - Step 3: Cross multiply
36,692,926.07x = 50,636,270.36 × 20,173,331.70 - Step 4: Simplify right side
36,692,926.07x = 1,021,502,278,023,158.38 - Step 5: Solve for x
x = 1,021,502,278,023,158.38/36,692,926.07 - Step 6: Final answer
x = 27,839,215.55
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1.5x scale
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.