Finding the Fourth Proportional to 26,329,842.78, 39,498,542.21 and 8,135,626.63
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Solution
The fourth proportional to 26,329,842.78, 39,498,542.21 and 8,135,626.63 is: 12,204,607.32
Step by Step Solution
- Step 1: Write the proportion equation
26,329,842.78 : 39,498,542.21 = 8,135,626.63 : x - Step 2: Convert to fraction form
26,329,842.78/39,498,542.21 = 8,135,626.63/x - Step 3: Cross multiply
26,329,842.78x = 39,498,542.21 × 8,135,626.63 - Step 4: Simplify right side
26,329,842.78x = 321,345,391,870,194.12 - Step 5: Solve for x
x = 321,345,391,870,194.12/26,329,842.78 - Step 6: Final answer
x = 12,204,607.32
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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.