Finding the Fourth Proportional to 21,522,110.77, 29,700,267.42 and 11,732,338.99
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Solution
The fourth proportional to 21,522,110.77, 29,700,267.42 and 11,732,338.99 is: 16,190,494.01
Step by Step Solution
- Step 1: Write the proportion equation
21,522,110.77 : 29,700,267.42 = 11,732,338.99 : x - Step 2: Convert to fraction form
21,522,110.77/29,700,267.42 = 11,732,338.99/x - Step 3: Cross multiply
21,522,110.77x = 29,700,267.42 × 11,732,338.99 - Step 4: Simplify right side
21,522,110.77x = 348,453,605,480,219.94 - Step 5: Solve for x
x = 348,453,605,480,219.94/21,522,110.77 - Step 6: Final answer
x = 16,190,494.01
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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.