Finding the Fourth Proportional to 10,768,304.32, 16,148,961.36 and 3,577,907.20
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Solution
The fourth proportional to 10,768,304.32, 16,148,961.36 and 3,577,907.20 is: 5,365,699.50
Step by Step Solution
- Step 1: Write the proportion equation
10,768,304.32 : 16,148,961.36 = 3,577,907.20 : x - Step 2: Convert to fraction form
10,768,304.32/16,148,961.36 = 3,577,907.20/x - Step 3: Cross multiply
10,768,304.32x = 16,148,961.36 × 3,577,907.20 - Step 4: Simplify right side
10,768,304.32x = 57,779,485,122,465.79 - Step 5: Solve for x
x = 57,779,485,122,465.79/10,768,304.32 - Step 6: Final answer
x = 5,365,699.50
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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.