Finding the Fourth Proportional to 17,422,278.91, 26,131,715.53 and 5,291,847.70
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Solution
The fourth proportional to 17,422,278.91, 26,131,715.53 and 5,291,847.70 is: 7,937,254.33
Step by Step Solution
- Step 1: Write the proportion equation
17,422,278.91 : 26,131,715.53 = 5,291,847.70 : x - Step 2: Convert to fraction form
17,422,278.91/26,131,715.53 = 5,291,847.70/x - Step 3: Cross multiply
17,422,278.91x = 26,131,715.53 × 5,291,847.70 - Step 4: Simplify right side
17,422,278.91x = 138,285,058,724,484.80 - Step 5: Solve for x
x = 138,285,058,724,484.80/17,422,278.91 - Step 6: Final answer
x = 7,937,254.33
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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.