Finding the Fourth Proportional to 12,634,396.98, 17,436,265.08 and 7,125,761.94
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Solution
The fourth proportional to 12,634,396.98, 17,436,265.08 and 7,125,761.94 is: 9,834,001.12
Step by Step Solution
- Step 1: Write the proportion equation
12,634,396.98 : 17,436,265.08 = 7,125,761.94 : x - Step 2: Convert to fraction form
12,634,396.98/17,436,265.08 = 7,125,761.94/x - Step 3: Cross multiply
12,634,396.98x = 17,436,265.08 × 7,125,761.94 - Step 4: Simplify right side
12,634,396.98x = 124,246,673,960,004.91 - Step 5: Solve for x
x = 124,246,673,960,004.91/12,634,396.98 - Step 6: Final answer
x = 9,834,001.12
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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.