Finding the Fourth Proportional to 13,810,370.58, 19,054,978.57 and 8,914,544.18
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Solution
The fourth proportional to 13,810,370.58, 19,054,978.57 and 8,914,544.18 is: 12,299,919.63
Step by Step Solution
- Step 1: Write the proportion equation
13,810,370.58 : 19,054,978.57 = 8,914,544.18 : x - Step 2: Convert to fraction form
13,810,370.58/19,054,978.57 = 8,914,544.18/x - Step 3: Cross multiply
13,810,370.58x = 19,054,978.57 × 8,914,544.18 - Step 4: Simplify right side
13,810,370.58x = 169,866,448,193,656.97 - Step 5: Solve for x
x = 169,866,448,193,656.97/13,810,370.58 - Step 6: Final answer
x = 12,299,919.63
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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.