Finding the Fourth Proportional to 11,764,403.98, 16,232,217.48 and 7,118,073.45
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Solution
The fourth proportional to 11,764,403.98, 16,232,217.48 and 7,118,073.45 is: 9,821,331.92
Step by Step Solution
- Step 1: Write the proportion equation
11,764,403.98 : 16,232,217.48 = 7,118,073.45 : x - Step 2: Convert to fraction form
11,764,403.98/16,232,217.48 = 7,118,073.45/x - Step 3: Cross multiply
11,764,403.98x = 16,232,217.48 × 7,118,073.45 - Step 4: Simplify right side
11,764,403.98x = 115,542,116,279,013.91 - Step 5: Solve for x
x = 115,542,116,279,013.91/11,764,403.98 - Step 6: Final answer
x = 9,821,331.92
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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.