Finding the Fourth Proportional to 9,135,451.24, 13,698,692.79 and 4,519,103.77
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Solution
The fourth proportional to 9,135,451.24, 13,698,692.79 and 4,519,103.77 is: 6,776,437.49
Step by Step Solution
- Step 1: Write the proportion equation
9,135,451.24 : 13,698,692.79 = 4,519,103.77 : x - Step 2: Convert to fraction form
9,135,451.24/13,698,692.79 = 4,519,103.77/x - Step 3: Cross multiply
9,135,451.24x = 13,698,692.79 × 4,519,103.77 - Step 4: Simplify right side
9,135,451.24x = 61,905,814,231,360.80 - Step 5: Solve for x
x = 61,905,814,231,360.80/9,135,451.24 - Step 6: Final answer
x = 6,776,437.49
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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.