Finding the Fourth Proportional to 7,548,940.43, 10,417,832.70 and 4,286,058.74
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Solution
The fourth proportional to 7,548,940.43, 10,417,832.70 and 4,286,058.74 is: 5,914,928.50
Step by Step Solution
- Step 1: Write the proportion equation
7,548,940.43 : 10,417,832.70 = 4,286,058.74 : x - Step 2: Convert to fraction form
7,548,940.43/10,417,832.70 = 4,286,058.74/x - Step 3: Cross multiply
7,548,940.43x = 10,417,832.70 × 4,286,058.74 - Step 4: Simplify right side
7,548,940.43x = 44,651,442,843,603.63 - Step 5: Solve for x
x = 44,651,442,843,603.63/7,548,940.43 - Step 6: Final answer
x = 5,914,928.50
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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.