Finding the Fourth Proportional to 9,201,783.44, 12,699,406.08 and 5,531,888.08
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Solution
The fourth proportional to 9,201,783.44, 12,699,406.08 and 5,531,888.08 is: 7,634,573.62
Step by Step Solution
- Step 1: Write the proportion equation
9,201,783.44 : 12,699,406.08 = 5,531,888.08 : x - Step 2: Convert to fraction form
9,201,783.44/12,699,406.08 = 5,531,888.08/x - Step 3: Cross multiply
9,201,783.44x = 12,699,406.08 × 5,531,888.08 - Step 4: Simplify right side
9,201,783.44x = 70,251,693,117,031.53 - Step 5: Solve for x
x = 70,251,693,117,031.53/9,201,783.44 - Step 6: Final answer
x = 7,634,573.62
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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.