Finding the Fourth Proportional to 19,346,646.99, 28,988,083.82 and 11,236,857.33
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Solution
The fourth proportional to 19,346,646.99, 28,988,083.82 and 11,236,857.33 is: 16,836,765.68
Step by Step Solution
- Step 1: Write the proportion equation
19,346,646.99 : 28,988,083.82 = 11,236,857.33 : x - Step 2: Convert to fraction form
19,346,646.99/28,988,083.82 = 11,236,857.33/x - Step 3: Cross multiply
19,346,646.99x = 28,988,083.82 × 11,236,857.33 - Step 4: Simplify right side
19,346,646.99x = 325,734,962,099,237.12 - Step 5: Solve for x
x = 325,734,962,099,237.12/19,346,646.99 - Step 6: Final answer
x = 16,836,765.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.