Finding the Fourth Proportional to 19,625,638.14, 27,083,381.85 and 10,923,624.07
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Solution
The fourth proportional to 19,625,638.14, 27,083,381.85 and 10,923,624.07 is: 15,074,601.89
Step by Step Solution
- Step 1: Write the proportion equation
19,625,638.14 : 27,083,381.85 = 10,923,624.07 : x - Step 2: Convert to fraction form
19,625,638.14/27,083,381.85 = 10,923,624.07/x - Step 3: Cross multiply
19,625,638.14x = 27,083,381.85 × 10,923,624.07 - Step 4: Simplify right side
19,625,638.14x = 295,848,681,805,952.69 - Step 5: Solve for x
x = 295,848,681,805,952.69/19,625,638.14 - Step 6: Final answer
x = 15,074,601.89
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1.5x scale
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.