Finding the Fourth Proportional to 9,782,645.40, 14,656,253.40 and 8,365,469.40
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Solution
The fourth proportional to 9,782,645.40, 14,656,253.40 and 8,365,469.40 is: 12,533,055.66
Step by Step Solution
- Step 1: Write the proportion equation
9,782,645.40 : 14,656,253.40 = 8,365,469.40 : x - Step 2: Convert to fraction form
9,782,645.40/14,656,253.40 = 8,365,469.40/x - Step 3: Cross multiply
9,782,645.40x = 14,656,253.40 × 8,365,469.40 - Step 4: Simplify right side
9,782,645.40x = 122,606,439,336,345.97 - Step 5: Solve for x
x = 122,606,439,336,345.97/9,782,645.40 - Step 6: Final answer
x = 12,533,055.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.