Finding the Fourth Proportional to 36,605,987.73, 50,516,243.55 and 20,086,220.79
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Solution
The fourth proportional to 36,605,987.73, 50,516,243.55 and 20,086,220.79 is: 27,718,973.98
Step by Step Solution
- Step 1: Write the proportion equation
36,605,987.73 : 50,516,243.55 = 20,086,220.79 : x - Step 2: Convert to fraction form
36,605,987.73/50,516,243.55 = 20,086,220.79/x - Step 3: Cross multiply
36,605,987.73x = 50,516,243.55 × 20,086,220.79 - Step 4: Simplify right side
36,605,987.73x = 1,014,680,421,426,713.25 - Step 5: Solve for x
x = 1,014,680,421,426,713.25/36,605,987.73 - Step 6: Final answer
x = 27,718,973.98
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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.