Finding the Fourth Proportional to 7,431,247.02, 10,254,300.93 and 4,167,390.09
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Solution
The fourth proportional to 7,431,247.02, 10,254,300.93 and 4,167,390.09 is: 5,750,538.50
Step by Step Solution
- Step 1: Write the proportion equation
7,431,247.02 : 10,254,300.93 = 4,167,390.09 : x - Step 2: Convert to fraction form
7,431,247.02/10,254,300.93 = 4,167,390.09/x - Step 3: Cross multiply
7,431,247.02x = 10,254,300.93 × 4,167,390.09 - Step 4: Simplify right side
7,431,247.02x = 42,733,672,075,559.78 - Step 5: Solve for x
x = 42,733,672,075,559.78/7,431,247.02 - Step 6: Final answer
x = 5,750,538.50
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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.