Finding the Fourth Proportional to 7,415,396.08, 10,233,328.45 and 4,107,740.97
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Solution
The fourth proportional to 7,415,396.08, 10,233,328.45 and 4,107,740.97 is: 5,668,727.88
Step by Step Solution
- Step 1: Write the proportion equation
7,415,396.08 : 10,233,328.45 = 4,107,740.97 : x - Step 2: Convert to fraction form
7,415,396.08/10,233,328.45 = 4,107,740.97/x - Step 3: Cross multiply
7,415,396.08x = 10,233,328.45 × 4,107,740.97 - Step 4: Simplify right side
7,415,396.08x = 42,035,862,533,531.59 - Step 5: Solve for x
x = 42,035,862,533,531.59/7,415,396.08 - Step 6: Final answer
x = 5,668,727.88
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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.