Finding the Fourth Proportional to 19,515,645.10, 29,267,774.84 and 6,560,331.42
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Solution
The fourth proportional to 19,515,645.10, 29,267,774.84 and 6,560,331.42 is: 9,838,583.45
Step by Step Solution
- Step 1: Write the proportion equation
19,515,645.10 : 29,267,774.84 = 6,560,331.42 : x - Step 2: Convert to fraction form
19,515,645.10/29,267,774.84 = 6,560,331.42/x - Step 3: Cross multiply
19,515,645.10x = 29,267,774.84 × 6,560,331.42 - Step 4: Simplify right side
19,515,645.10x = 192,006,302,876,337.47 - Step 5: Solve for x
x = 192,006,302,876,337.47/19,515,645.10 - Step 6: Final answer
x = 9,838,583.45
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1.5x scale
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.