Finding the Fourth Proportional to 14,220,408.09, 19,618,579.26 and 8,258,799.99
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Solution
The fourth proportional to 14,220,408.09, 19,618,579.26 and 8,258,799.99 is: 11,393,901.02
Step by Step Solution
- Step 1: Write the proportion equation
14,220,408.09 : 19,618,579.26 = 8,258,799.99 : x - Step 2: Convert to fraction form
14,220,408.09/19,618,579.26 = 8,258,799.99/x - Step 3: Cross multiply
14,220,408.09x = 19,618,579.26 × 8,258,799.99 - Step 4: Simplify right side
14,220,408.09x = 162,025,922,196,302.22 - Step 5: Solve for x
x = 162,025,922,196,302.22/14,220,408.09 - Step 6: Final answer
x = 11,393,901.02
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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.