Finding the Fourth Proportional to 29,855,545.61, 41,184,851.22 and 20,546,955.09
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Solution
The fourth proportional to 29,855,545.61, 41,184,851.22 and 20,546,955.09 is: 28,343,923.09
Step by Step Solution
- Step 1: Write the proportion equation
29,855,545.61 : 41,184,851.22 = 20,546,955.09 : x - Step 2: Convert to fraction form
29,855,545.61/41,184,851.22 = 20,546,955.09/x - Step 3: Cross multiply
29,855,545.61x = 41,184,851.22 × 20,546,955.09 - Step 4: Simplify right side
29,855,545.61x = 846,223,288,405,671.62 - Step 5: Solve for x
x = 846,223,288,405,671.62/29,855,545.61 - Step 6: Final answer
x = 28,343,923.09
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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.