Finding the Fourth Proportional to 18,964,955.42, 26,171,718.24 and 10,263,128.44
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Solution
The fourth proportional to 18,964,955.42, 26,171,718.24 and 10,263,128.44 is: 14,163,160.41
Step by Step Solution
- Step 1: Write the proportion equation
18,964,955.42 : 26,171,718.24 = 10,263,128.44 : x - Step 2: Convert to fraction form
18,964,955.42/26,171,718.24 = 10,263,128.44/x - Step 3: Cross multiply
18,964,955.42x = 26,171,718.24 × 10,263,128.44 - Step 4: Simplify right side
18,964,955.42x = 268,603,705,792,610.72 - Step 5: Solve for x
x = 268,603,705,792,610.72/18,964,955.42 - Step 6: Final answer
x = 14,163,160.41
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1.5x scale
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.