Finding the Fourth Proportional to 26,581,783.92, 39,879,400.86 and 7,412,542.98
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Solution
The fourth proportional to 26,581,783.92, 39,879,400.86 and 7,412,542.98 is: 11,120,689.78
Step by Step Solution
- Step 1: Write the proportion equation
26,581,783.92 : 39,879,400.86 = 7,412,542.98 : x - Step 2: Convert to fraction form
26,581,783.92/39,879,400.86 = 7,412,542.98/x - Step 3: Cross multiply
26,581,783.92x = 39,879,400.86 × 7,412,542.98 - Step 4: Simplify right side
26,581,783.92x = 295,607,772,891,399 - Step 5: Solve for x
x = 295,607,772,891,399/26,581,783.92 - Step 6: Final answer
x = 11,120,689.78
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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.