Finding the Fourth Proportional to 7,047,408.24, 9,725,163.48 and 3,828,075.12
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Solution
The fourth proportional to 7,047,408.24, 9,725,163.48 and 3,828,075.12 is: 5,282,602.50
Step by Step Solution
- Step 1: Write the proportion equation
7,047,408.24 : 9,725,163.48 = 3,828,075.12 : x - Step 2: Convert to fraction form
7,047,408.24/9,725,163.48 = 3,828,075.12/x - Step 3: Cross multiply
7,047,408.24x = 9,725,163.48 × 3,828,075.12 - Step 4: Simplify right side
7,047,408.24x = 37,228,656,355,720.62 - Step 5: Solve for x
x = 37,228,656,355,720.62/7,047,408.24 - Step 6: Final answer
x = 5,282,602.50
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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.