Finding the Fourth Proportional to 8,570,902.95, 12,855,683.75 and 2,505,690.99
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Solution
The fourth proportional to 8,570,902.95, 12,855,683.75 and 2,505,690.99 is: 3,758,340.41
Step by Step Solution
- Step 1: Write the proportion equation
8,570,902.95 : 12,855,683.75 = 2,505,690.99 : x - Step 2: Convert to fraction form
8,570,902.95/12,855,683.75 = 2,505,690.99/x - Step 3: Cross multiply
8,570,902.95x = 12,855,683.75 × 2,505,690.99 - Step 4: Simplify right side
8,570,902.95x = 32,212,370,930,135.96 - Step 5: Solve for x
x = 32,212,370,930,135.96/8,570,902.95 - Step 6: Final answer
x = 3,758,340.41
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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.