Finding the Fourth Proportional to 16,404,214.20, 22,638,503.36 and 9,434,893.76
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Solution
The fourth proportional to 16,404,214.20, 22,638,503.36 and 9,434,893.76 is: 13,020,548.96
Step by Step Solution
- Step 1: Write the proportion equation
16,404,214.20 : 22,638,503.36 = 9,434,893.76 : x - Step 2: Convert to fraction form
16,404,214.20/22,638,503.36 = 9,434,893.76/x - Step 3: Cross multiply
16,404,214.20x = 22,638,503.36 × 9,434,893.76 - Step 4: Simplify right side
16,404,214.20x = 213,591,874,087,003.03 - Step 5: Solve for x
x = 213,591,874,087,003.03/16,404,214.20 - Step 6: Final answer
x = 13,020,548.96
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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.