Finding the Fourth Proportional to 8,868,216.12, 13,302,324.21 and 3,185,340.36
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Solution
The fourth proportional to 8,868,216.12, 13,302,324.21 and 3,185,340.36 is: 4,778,010.55
Step by Step Solution
- Step 1: Write the proportion equation
8,868,216.12 : 13,302,324.21 = 3,185,340.36 : x - Step 2: Convert to fraction form
8,868,216.12/13,302,324.21 = 3,185,340.36/x - Step 3: Cross multiply
8,868,216.12x = 13,302,324.21 × 3,185,340.36 - Step 4: Simplify right side
8,868,216.12x = 42,372,430,187,918.12 - Step 5: Solve for x
x = 42,372,430,187,918.12/8,868,216.12 - Step 6: Final answer
x = 4,778,010.55
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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.