Finding the Fourth Proportional to 39,449,722.40, 59,132,593.20 and 15,179,271.20
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Solution
The fourth proportional to 39,449,722.40, 59,132,593.20 and 15,179,271.20 is: 22,752,749.94
Step by Step Solution
- Step 1: Write the proportion equation
39,449,722.40 : 59,132,593.20 = 15,179,271.20 : x - Step 2: Convert to fraction form
39,449,722.40/59,132,593.20 = 15,179,271.20/x - Step 3: Cross multiply
39,449,722.40x = 59,132,593.20 × 15,179,271.20 - Step 4: Simplify right side
39,449,722.40x = 897,589,668,942,075.88 - Step 5: Solve for x
x = 897,589,668,942,075.88/39,449,722.40 - Step 6: Final answer
x = 22,752,749.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.