Finding the Fourth Proportional to 19,317,072.83, 26,651,747.25 and 11,579,291.87
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Solution
The fourth proportional to 19,317,072.83, 26,651,747.25 and 11,579,291.87 is: 15,975,938.12
Step by Step Solution
- Step 1: Write the proportion equation
19,317,072.83 : 26,651,747.25 = 11,579,291.87 : x - Step 2: Convert to fraction form
19,317,072.83/26,651,747.25 = 11,579,291.87/x - Step 3: Cross multiply
19,317,072.83x = 26,651,747.25 × 11,579,291.87 - Step 4: Simplify right side
19,317,072.83x = 308,608,360,119,961.12 - Step 5: Solve for x
x = 308,608,360,119,961.12/19,317,072.83 - Step 6: Final answer
x = 15,975,938.12
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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.