Finding the Fourth Proportional to 13,381,470.06, 18,466,517.07 and 7,269,896.94
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Solution
The fourth proportional to 13,381,470.06, 18,466,517.07 and 7,269,896.94 is: 10,032,505.80
Step by Step Solution
- Step 1: Write the proportion equation
13,381,470.06 : 18,466,517.07 = 7,269,896.94 : x - Step 2: Convert to fraction form
13,381,470.06/18,466,517.07 = 7,269,896.94/x - Step 3: Cross multiply
13,381,470.06x = 18,466,517.07 × 7,269,896.94 - Step 4: Simplify right side
13,381,470.06x = 134,249,675,939,650.78 - Step 5: Solve for x
x = 134,249,675,939,650.78/13,381,470.06 - Step 6: Final answer
x = 10,032,505.80
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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.