Finding the Fourth Proportional to 11,286,565.08, 15,580,215.84 and 7,620,442.26
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Solution
The fourth proportional to 11,286,565.08, 15,580,215.84 and 7,620,442.26 is: 10,519,421.49
Step by Step Solution
- Step 1: Write the proportion equation
11,286,565.08 : 15,580,215.84 = 7,620,442.26 : x - Step 2: Convert to fraction form
11,286,565.08/15,580,215.84 = 7,620,442.26/x - Step 3: Cross multiply
11,286,565.08x = 15,580,215.84 × 7,620,442.26 - Step 4: Simplify right side
11,286,565.08x = 118,728,135,207,057.39 - Step 5: Solve for x
x = 118,728,135,207,057.39/11,286,565.08 - Step 6: Final answer
x = 10,519,421.49
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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.