Finding the Fourth Proportional to 11,511,313.74, 15,885,196.47 and 6,354,564.66
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Solution
The fourth proportional to 11,511,313.74, 15,885,196.47 and 6,354,564.66 is: 8,769,069.32
Step by Step Solution
- Step 1: Write the proportion equation
11,511,313.74 : 15,885,196.47 = 6,354,564.66 : x - Step 2: Convert to fraction form
11,511,313.74/15,885,196.47 = 6,354,564.66/x - Step 3: Cross multiply
11,511,313.74x = 15,885,196.47 × 6,354,564.66 - Step 4: Simplify right side
11,511,313.74x = 100,943,508,105,418.75 - Step 5: Solve for x
x = 100,943,508,105,418.75/11,511,313.74 - Step 6: Final answer
x = 8,769,069.32
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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.