Finding the Fourth Proportional to 18,968,310.38, 26,173,482.23 and 10,594,648.45
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Solution
The fourth proportional to 18,968,310.38, 26,173,482.23 and 10,594,648.45 is: 14,619,058.70
Step by Step Solution
- Step 1: Write the proportion equation
18,968,310.38 : 26,173,482.23 = 10,594,648.45 : x - Step 2: Convert to fraction form
18,968,310.38/26,173,482.23 = 10,594,648.45/x - Step 3: Cross multiply
18,968,310.38x = 26,173,482.23 × 10,594,648.45 - Step 4: Simplify right side
18,968,310.38x = 277,298,842,939,172.03 - Step 5: Solve for x
x = 277,298,842,939,172.03/18,968,310.38 - Step 6: Final answer
x = 14,619,058.70
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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.