Finding the Fourth Proportional to 30,070,961.50, 41,497,926.82 and 16,319,925.62
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Solution
The fourth proportional to 30,070,961.50, 41,497,926.82 and 16,319,925.62 is: 22,521,497.33
Step by Step Solution
- Step 1: Write the proportion equation
30,070,961.50 : 41,497,926.82 = 16,319,925.62 : x - Step 2: Convert to fraction form
30,070,961.50/41,497,926.82 = 16,319,925.62/x - Step 3: Cross multiply
30,070,961.50x = 41,497,926.82 × 16,319,925.62 - Step 4: Simplify right side
30,070,961.50x = 677,243,079,086,603.12 - Step 5: Solve for x
x = 677,243,079,086,603.12/30,070,961.50 - Step 6: Final answer
x = 22,521,497.33
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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.