Finding the Fourth Proportional to 17,559,511.58, 26,348,349.30 and 12,741,540.28
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Solution
The fourth proportional to 17,559,511.58, 26,348,349.30 and 12,741,540.28 is: 19,118,900.46
Step by Step Solution
- Step 1: Write the proportion equation
17,559,511.58 : 26,348,349.30 = 12,741,540.28 : x - Step 2: Convert to fraction form
17,559,511.58/26,348,349.30 = 12,741,540.28/x - Step 3: Cross multiply
17,559,511.58x = 26,348,349.30 × 12,741,540.28 - Step 4: Simplify right side
17,559,511.58x = 335,718,553,952,017.62 - Step 5: Solve for x
x = 335,718,553,952,017.62/17,559,511.58 - Step 6: Final answer
x = 19,118,900.46
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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.