Finding the Fourth Proportional to 16,430,915.24, 22,672,918.14 and 9,087,581.60
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Solution
The fourth proportional to 16,430,915.24, 22,672,918.14 and 9,087,581.60 is: 12,539,897.55
Step by Step Solution
- Step 1: Write the proportion equation
16,430,915.24 : 22,672,918.14 = 9,087,581.60 : x - Step 2: Convert to fraction form
16,430,915.24/22,672,918.14 = 9,087,581.60/x - Step 3: Cross multiply
16,430,915.24x = 22,672,918.14 × 9,087,581.60 - Step 4: Simplify right side
16,430,915.24x = 206,041,993,707,370.22 - Step 5: Solve for x
x = 206,041,993,707,370.22/16,430,915.24 - Step 6: Final answer
x = 12,539,897.55
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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.