Finding the Fourth Proportional to 7,725,567.68, 10,661,075.36 and 4,240,908.80
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Solution
The fourth proportional to 7,725,567.68, 10,661,075.36 and 4,240,908.80 is: 5,852,339.94
Step by Step Solution
- Step 1: Write the proportion equation
7,725,567.68 : 10,661,075.36 = 4,240,908.80 : x - Step 2: Convert to fraction form
7,725,567.68/10,661,075.36 = 4,240,908.80/x - Step 3: Cross multiply
7,725,567.68x = 10,661,075.36 × 4,240,908.80 - Step 4: Simplify right side
7,725,567.68x = 45,212,648,311,687.16 - Step 5: Solve for x
x = 45,212,648,311,687.16/7,725,567.68 - Step 6: Final answer
x = 5,852,339.94
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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.