Finding the Fourth Proportional to 28,364,895.36, 42,541,122.24 and 8,165,750.40
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Solution
The fourth proportional to 28,364,895.36, 42,541,122.24 and 8,165,750.40 is: 12,246,834.74
Step by Step Solution
- Step 1: Write the proportion equation
28,364,895.36 : 42,541,122.24 = 8,165,750.40 : x - Step 2: Convert to fraction form
28,364,895.36/42,541,122.24 = 8,165,750.40/x - Step 3: Cross multiply
28,364,895.36x = 42,541,122.24 × 8,165,750.40 - Step 4: Simplify right side
28,364,895.36x = 347,380,185,947,728.94 - Step 5: Solve for x
x = 347,380,185,947,728.94/28,364,895.36 - Step 6: Final answer
x = 12,246,834.74
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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.