Finding the Fourth Proportional to 13,652,777.16, 18,840,472.74 and 7,541,074.44
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Solution
The fourth proportional to 13,652,777.16, 18,840,472.74 and 7,541,074.44 is: 10,406,484.03
Step by Step Solution
- Step 1: Write the proportion equation
13,652,777.16 : 18,840,472.74 = 7,541,074.44 : x - Step 2: Convert to fraction form
13,652,777.16/18,840,472.74 = 7,541,074.44/x - Step 3: Cross multiply
13,652,777.16x = 18,840,472.74 × 7,541,074.44 - Step 4: Simplify right side
13,652,777.16x = 142,077,407,417,130.75 - Step 5: Solve for x
x = 142,077,407,417,130.75/13,652,777.16 - Step 6: Final answer
x = 10,406,484.03
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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.