Finding the Fourth Proportional to 7,756,142.19, 11,612,340.15 and 4,104,601.24
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Solution
The fourth proportional to 7,756,142.19, 11,612,340.15 and 4,104,601.24 is: 6,145,326.45
Step by Step Solution
- Step 1: Write the proportion equation
7,756,142.19 : 11,612,340.15 = 4,104,601.24 : x - Step 2: Convert to fraction form
7,756,142.19/11,612,340.15 = 4,104,601.24/x - Step 3: Cross multiply
7,756,142.19x = 11,612,340.15 × 4,104,601.24 - Step 4: Simplify right side
7,756,142.19x = 47,664,025,758,468.78 - Step 5: Solve for x
x = 47,664,025,758,468.78/7,756,142.19 - Step 6: Final answer
x = 6,145,326.45
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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.