Finding the Fourth Proportional to 17,441,686.40, 26,178,081.60 and 10,244,220.80
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Solution
The fourth proportional to 17,441,686.40, 26,178,081.60 and 10,244,220.80 is: 15,375,465.53
Step by Step Solution
- Step 1: Write the proportion equation
17,441,686.40 : 26,178,081.60 = 10,244,220.80 : x - Step 2: Convert to fraction form
17,441,686.40/26,178,081.60 = 10,244,220.80/x - Step 3: Cross multiply
17,441,686.40x = 26,178,081.60 × 10,244,220.80 - Step 4: Simplify right side
17,441,686.40x = 268,174,048,030,817.31 - Step 5: Solve for x
x = 268,174,048,030,817.31/17,441,686.40 - Step 6: Final answer
x = 15,375,465.53
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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.