Finding the Fourth Proportional to 11,290,453.29, 15,579,701.15 and 6,394,698.45
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Solution
The fourth proportional to 11,290,453.29, 15,579,701.15 and 6,394,698.45 is: 8,824,047.02
Step by Step Solution
- Step 1: Write the proportion equation
11,290,453.29 : 15,579,701.15 = 6,394,698.45 : x - Step 2: Convert to fraction form
11,290,453.29/15,579,701.15 = 6,394,698.45/x - Step 3: Cross multiply
11,290,453.29x = 15,579,701.15 × 6,394,698.45 - Step 4: Simplify right side
11,290,453.29x = 99,627,490,763,394.72 - Step 5: Solve for x
x = 99,627,490,763,394.72/11,290,453.29 - Step 6: Final answer
x = 8,824,047.02
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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.