Finding the Fourth Proportional to 19,421,339.75, 26,801,448.87 and 10,836,635.75
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Solution
The fourth proportional to 19,421,339.75, 26,801,448.87 and 10,836,635.75 is: 14,954,557.34
Step by Step Solution
- Step 1: Write the proportion equation
19,421,339.75 : 26,801,448.87 = 10,836,635.75 : x - Step 2: Convert to fraction form
19,421,339.75/26,801,448.87 = 10,836,635.75/x - Step 3: Cross multiply
19,421,339.75x = 26,801,448.87 × 10,836,635.75 - Step 4: Simplify right side
19,421,339.75x = 290,437,538,976,439.12 - Step 5: Solve for x
x = 290,437,538,976,439.12/19,421,339.75 - Step 6: Final answer
x = 14,954,557.34
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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.