Finding the Fourth Proportional to 19,555,519, 26,991,577.08 and 13,363,072.24
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Solution
The fourth proportional to 19,555,519, 26,991,577.08 and 13,363,072.24 is: 18,444,429.65
Step by Step Solution
- Step 1: Write the proportion equation
19,555,519 : 26,991,577.08 = 13,363,072.24 : x - Step 2: Convert to fraction form
19,555,519/26,991,577.08 = 13,363,072.24/x - Step 3: Cross multiply
19,555,519x = 26,991,577.08 × 13,363,072.24 - Step 4: Simplify right side
19,555,519x = 360,690,394,391,568.25 - Step 5: Solve for x
x = 360,690,394,391,568.25/19,555,519 - Step 6: Final answer
x = 18,444,429.65
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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.