Finding the Fourth Proportional to 18,966,084.21, 26,173,100.57 and 10,264,259.07
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Solution
The fourth proportional to 18,966,084.21, 26,173,100.57 and 10,264,259.07 is: 14,164,625.75
Step by Step Solution
- Step 1: Write the proportion equation
18,966,084.21 : 26,173,100.57 = 10,264,259.07 : x - Step 2: Convert to fraction form
18,966,084.21/26,173,100.57 = 10,264,259.07/x - Step 3: Cross multiply
18,966,084.21x = 26,173,100.57 × 10,264,259.07 - Step 4: Simplify right side
18,966,084.21x = 268,647,484,864,323.41 - Step 5: Solve for x
x = 268,647,484,864,323.41/18,966,084.21 - Step 6: Final answer
x = 14,164,625.75
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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.