Finding the Fourth Proportional to 39,135,098.54, 54,000,577.58 and 22,387,175.21
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Solution
The fourth proportional to 39,135,098.54, 54,000,577.58 and 22,387,175.21 is: 30,890,950.49
Step by Step Solution
- Step 1: Write the proportion equation
39,135,098.54 : 54,000,577.58 = 22,387,175.21 : x - Step 2: Convert to fraction form
39,135,098.54/54,000,577.58 = 22,387,175.21/x - Step 3: Cross multiply
39,135,098.54x = 54,000,577.58 × 22,387,175.21 - Step 4: Simplify right side
39,135,098.54x = 1,208,920,391,342,719 - Step 5: Solve for x
x = 1,208,920,391,342,719/39,135,098.54 - Step 6: Final answer
x = 30,890,950.49
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1.5x scale
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.