Finding the Fourth Proportional to 51,600,993.84, 77,401,649.97 and 12,739,450.32
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Solution
The fourth proportional to 51,600,993.84, 77,401,649.97 and 12,739,450.32 is: 19,109,214.79
Step by Step Solution
- Step 1: Write the proportion equation
51,600,993.84 : 77,401,649.97 = 12,739,450.32 : x - Step 2: Convert to fraction form
51,600,993.84/77,401,649.97 = 12,739,450.32/x - Step 3: Cross multiply
51,600,993.84x = 77,401,649.97 × 12,739,450.32 - Step 4: Simplify right side
51,600,993.84x = 986,054,474,478,844.50 - Step 5: Solve for x
x = 986,054,474,478,844.50/51,600,993.84 - Step 6: Final answer
x = 19,109,214.79
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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.