Finding the Fourth Proportional to 19,462,805.34, 26,858,013.36 and 11,201,720.94
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Solution
The fourth proportional to 19,462,805.34, 26,858,013.36 and 11,201,720.94 is: 15,457,996.18
Step by Step Solution
- Step 1: Write the proportion equation
19,462,805.34 : 26,858,013.36 = 11,201,720.94 : x - Step 2: Convert to fraction form
19,462,805.34/26,858,013.36 = 11,201,720.94/x - Step 3: Cross multiply
19,462,805.34x = 26,858,013.36 × 11,201,720.94 - Step 4: Simplify right side
19,462,805.34x = 300,855,970,661,511.75 - Step 5: Solve for x
x = 300,855,970,661,511.75/19,462,805.34 - Step 6: Final answer
x = 15,457,996.18
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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.