Finding the Fourth Proportional to 7,868,249.88, 11,803,038.84 and 2,188,474.20
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Solution
The fourth proportional to 7,868,249.88, 11,803,038.84 and 2,188,474.20 is: 3,282,895.99
Step by Step Solution
- Step 1: Write the proportion equation
7,868,249.88 : 11,803,038.84 = 2,188,474.20 : x - Step 2: Convert to fraction form
7,868,249.88/11,803,038.84 = 2,188,474.20/x - Step 3: Cross multiply
7,868,249.88x = 11,803,038.84 × 2,188,474.20 - Step 4: Simplify right side
7,868,249.88x = 25,830,645,982,937.93 - Step 5: Solve for x
x = 25,830,645,982,937.93/7,868,249.88 - Step 6: Final answer
x = 3,282,895.99
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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.