Finding the Fourth Proportional to 8,721,246.45, 12,035,200.14 and 4,853,766.99
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Solution
The fourth proportional to 8,721,246.45, 12,035,200.14 and 4,853,766.99 is: 6,698,131.68
Step by Step Solution
- Step 1: Write the proportion equation
8,721,246.45 : 12,035,200.14 = 4,853,766.99 : x - Step 2: Convert to fraction form
8,721,246.45/12,035,200.14 = 4,853,766.99/x - Step 3: Cross multiply
8,721,246.45x = 12,035,200.14 × 4,853,766.99 - Step 4: Simplify right side
8,721,246.45x = 58,416,057,157,575.38 - Step 5: Solve for x
x = 58,416,057,157,575.38/8,721,246.45 - Step 6: Final answer
x = 6,698,131.68
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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.