Finding the Fourth Proportional to 14,073,430.26, 19,421,202.52 and 7,961,858.76
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Solution
The fourth proportional to 14,073,430.26, 19,421,202.52 and 7,961,858.76 is: 10,987,290.84
Step by Step Solution
- Step 1: Write the proportion equation
14,073,430.26 : 19,421,202.52 = 7,961,858.76 : x - Step 2: Convert to fraction form
14,073,430.26/19,421,202.52 = 7,961,858.76/x - Step 3: Cross multiply
14,073,430.26x = 19,421,202.52 × 7,961,858.76 - Step 4: Simplify right side
14,073,430.26x = 154,628,871,413,596.06 - Step 5: Solve for x
x = 154,628,871,413,596.06/14,073,430.26 - Step 6: Final answer
x = 10,987,290.84
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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.