Finding the Fourth Proportional to 18,411,977.76, 27,616,964.88 and 5,632,482.48
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Solution
The fourth proportional to 18,411,977.76, 27,616,964.88 and 5,632,482.48 is: 8,448,417.27
Step by Step Solution
- Step 1: Write the proportion equation
18,411,977.76 : 27,616,964.88 = 5,632,482.48 : x - Step 2: Convert to fraction form
18,411,977.76/27,616,964.88 = 5,632,482.48/x - Step 3: Cross multiply
18,411,977.76x = 27,616,964.88 × 5,632,482.48 - Step 4: Simplify right side
18,411,977.76x = 155,552,070,837,375.31 - Step 5: Solve for x
x = 155,552,070,837,375.31/18,411,977.76 - Step 6: Final answer
x = 8,448,417.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.