Finding the Fourth Proportional to 8,447,977.24, 11,658,137.70 and 4,777,614.52
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Solution
The fourth proportional to 8,447,977.24, 11,658,137.70 and 4,777,614.52 is: 6,593,067.95
Step by Step Solution
- Step 1: Write the proportion equation
8,447,977.24 : 11,658,137.70 = 4,777,614.52 : x - Step 2: Convert to fraction form
8,447,977.24/11,658,137.70 = 4,777,614.52/x - Step 3: Cross multiply
8,447,977.24x = 11,658,137.70 × 4,777,614.52 - Step 4: Simplify right side
8,447,977.24x = 55,698,087,951,679.40 - Step 5: Solve for x
x = 55,698,087,951,679.40/8,447,977.24 - Step 6: Final answer
x = 6,593,067.95
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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.