Finding the Fourth Proportional to 40,376,401.87, 55,719,661.50 and 22,972,747.09
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Solution
The fourth proportional to 40,376,401.87, 55,719,661.50 and 22,972,747.09 is: 31,702,520.09
Step by Step Solution
- Step 1: Write the proportion equation
40,376,401.87 : 55,719,661.50 = 22,972,747.09 : x - Step 2: Convert to fraction form
40,376,401.87/55,719,661.50 = 22,972,747.09/x - Step 3: Cross multiply
40,376,401.87x = 55,719,661.50 × 22,972,747.09 - Step 4: Simplify right side
40,376,401.87x = 1,280,033,691,579,910 - Step 5: Solve for x
x = 1,280,033,691,579,910/40,376,401.87 - Step 6: Final answer
x = 31,702,520.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.