Finding the Fourth Proportional to 17,781,587.08, 26,676,187.91 and 5,318,771.23
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Solution
The fourth proportional to 17,781,587.08, 26,676,187.91 and 5,318,771.23 is: 7,979,295.67
Step by Step Solution
- Step 1: Write the proportion equation
17,781,587.08 : 26,676,187.91 = 5,318,771.23 : x - Step 2: Convert to fraction form
17,781,587.08/26,676,187.91 = 5,318,771.23/x - Step 3: Cross multiply
17,781,587.08x = 26,676,187.91 × 5,318,771.23 - Step 4: Simplify right side
17,781,587.08x = 141,884,540,821,878.44 - Step 5: Solve for x
x = 141,884,540,821,878.44/17,781,587.08 - Step 6: Final answer
x = 7,979,295.67
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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.