Finding the Fourth Proportional to 8,118,692.42, 11,203,794.81 and 4,855,507.07
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Solution
The fourth proportional to 8,118,692.42, 11,203,794.81 and 4,855,507.07 is: 6,700,599.32
Step by Step Solution
- Step 1: Write the proportion equation
8,118,692.42 : 11,203,794.81 = 4,855,507.07 : x - Step 2: Convert to fraction form
8,118,692.42/11,203,794.81 = 4,855,507.07/x - Step 3: Cross multiply
8,118,692.42x = 11,203,794.81 × 4,855,507.07 - Step 4: Simplify right side
8,118,692.42x = 54,400,104,854,765.34 - Step 5: Solve for x
x = 54,400,104,854,765.34/8,118,692.42 - Step 6: Final answer
x = 6,700,599.32
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1.5x scale
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.