Finding the Fourth Proportional to 13,614,336.04, 18,788,177.49 and 7,503,158.20
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Solution
The fourth proportional to 13,614,336.04, 18,788,177.49 and 7,503,158.20 is: 10,354,575.32
Step by Step Solution
- Step 1: Write the proportion equation
13,614,336.04 : 18,788,177.49 = 7,503,158.20 : x - Step 2: Convert to fraction form
13,614,336.04/18,788,177.49 = 7,503,158.20/x - Step 3: Cross multiply
13,614,336.04x = 18,788,177.49 × 7,503,158.20 - Step 4: Simplify right side
13,614,336.04x = 140,970,667,997,148.91 - Step 5: Solve for x
x = 140,970,667,997,148.91/13,614,336.04 - Step 6: Final answer
x = 10,354,575.32
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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.