Finding the Fourth Proportional to 14,279,771.67, 19,706,427.32 and 7,753,676.19
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Solution
The fourth proportional to 14,279,771.67, 19,706,427.32 and 7,753,676.19 is: 10,700,259.07
Step by Step Solution
- Step 1: Write the proportion equation
14,279,771.67 : 19,706,427.32 = 7,753,676.19 : x - Step 2: Convert to fraction form
14,279,771.67/19,706,427.32 = 7,753,676.19/x - Step 3: Cross multiply
14,279,771.67x = 19,706,427.32 × 7,753,676.19 - Step 4: Simplify right side
14,279,771.67x = 152,797,256,262,281.16 - Step 5: Solve for x
x = 152,797,256,262,281.16/14,279,771.67 - Step 6: Final answer
x = 10,700,259.07
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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.