Finding the Fourth Proportional to 7,648,738.24, 10,554,858.08 and 4,210,307.68
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Solution
The fourth proportional to 7,648,738.24, 10,554,858.08 and 4,210,307.68 is: 5,810,004.03
Step by Step Solution
- Step 1: Write the proportion equation
7,648,738.24 : 10,554,858.08 = 4,210,307.68 : x - Step 2: Convert to fraction form
7,648,738.24/10,554,858.08 = 4,210,307.68/x - Step 3: Cross multiply
7,648,738.24x = 10,554,858.08 × 4,210,307.68 - Step 4: Simplify right side
7,648,738.24x = 44,439,200,035,534.05 - Step 5: Solve for x
x = 44,439,200,035,534.05/7,648,738.24 - Step 6: Final answer
x = 5,810,004.03
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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.