Finding the Fourth Proportional to 7,801,695.92, 11,698,336.12 and 3,539,538.64
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Solution
The fourth proportional to 7,801,695.92, 11,698,336.12 and 3,539,538.64 is: 5,307,398.95
Step by Step Solution
- Step 1: Write the proportion equation
7,801,695.92 : 11,698,336.12 = 3,539,538.64 : x - Step 2: Convert to fraction form
7,801,695.92/11,698,336.12 = 3,539,538.64/x - Step 3: Cross multiply
7,801,695.92x = 11,698,336.12 × 3,539,538.64 - Step 4: Simplify right side
7,801,695.92x = 41,406,712,720,447.67 - Step 5: Solve for x
x = 41,406,712,720,447.67/7,801,695.92 - Step 6: Final answer
x = 5,307,398.95
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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.