Finding the Fourth Proportional to 10,973,692.68, 15,143,497.55 and 6,078,899.64
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Solution
The fourth proportional to 10,973,692.68, 15,143,497.55 and 6,078,899.64 is: 8,388,771.62
Step by Step Solution
- Step 1: Write the proportion equation
10,973,692.68 : 15,143,497.55 = 6,078,899.64 : x - Step 2: Convert to fraction form
10,973,692.68/15,143,497.55 = 6,078,899.64/x - Step 3: Cross multiply
10,973,692.68x = 15,143,497.55 × 6,078,899.64 - Step 4: Simplify right side
10,973,692.68x = 92,055,801,774,641.38 - Step 5: Solve for x
x = 92,055,801,774,641.38/10,973,692.68 - Step 6: Final answer
x = 8,388,771.62
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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.