Finding the Fourth Proportional to 11,302,825.20, 16,954,237.80 and 10,071,106.80
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Solution
The fourth proportional to 11,302,825.20, 16,954,237.80 and 10,071,106.80 is: 15,106,660.20
Step by Step Solution
- Step 1: Write the proportion equation
11,302,825.20 : 16,954,237.80 = 10,071,106.80 : x - Step 2: Convert to fraction form
11,302,825.20/16,954,237.80 = 10,071,106.80/x - Step 3: Cross multiply
11,302,825.20x = 16,954,237.80 × 10,071,106.80 - Step 4: Simplify right side
11,302,825.20x = 170,747,939,596,397.06 - Step 5: Solve for x
x = 170,747,939,596,397.06/11,302,825.20 - Step 6: Final answer
x = 15,106,660.20
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1.5x scale
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.