Finding the Fourth Proportional to 29,579,242.35, 40,798,184.56 and 20,760,661.41
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Solution
The fourth proportional to 29,579,242.35, 40,798,184.56 and 20,760,661.41 is: 28,634,854.32
Step by Step Solution
- Step 1: Write the proportion equation
29,579,242.35 : 40,798,184.56 = 20,760,661.41 : x - Step 2: Convert to fraction form
29,579,242.35/40,798,184.56 = 20,760,661.41/x - Step 3: Cross multiply
29,579,242.35x = 40,798,184.56 × 20,760,661.41 - Step 4: Simplify right side
29,579,242.35x = 846,997,295,587,954.88 - Step 5: Solve for x
x = 846,997,295,587,954.88/29,579,242.35 - Step 6: Final answer
x = 28,634,854.32
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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.