Finding the Fourth Proportional to 11,612,270.43, 16,024,025.48 and 6,455,317.95
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Solution
The fourth proportional to 11,612,270.43, 16,024,025.48 and 6,455,317.95 is: 8,907,834.17
Step by Step Solution
- Step 1: Write the proportion equation
11,612,270.43 : 16,024,025.48 = 6,455,317.95 : x - Step 2: Convert to fraction form
11,612,270.43/16,024,025.48 = 6,455,317.95/x - Step 3: Cross multiply
11,612,270.43x = 16,024,025.48 × 6,455,317.95 - Step 4: Simplify right side
11,612,270.43x = 103,440,179,280,024.78 - Step 5: Solve for x
x = 103,440,179,280,024.78/11,612,270.43 - Step 6: Final answer
x = 8,907,834.17
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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.