Finding the Fourth Proportional to 11,447,916.76, 15,798,730.94 and 6,487,319.62
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Solution
The fourth proportional to 11,447,916.76, 15,798,730.94 and 6,487,319.62 is: 8,952,844.38
Step by Step Solution
- Step 1: Write the proportion equation
11,447,916.76 : 15,798,730.94 = 6,487,319.62 : x - Step 2: Convert to fraction form
11,447,916.76/15,798,730.94 = 6,487,319.62/x - Step 3: Cross multiply
11,447,916.76x = 15,798,730.94 × 6,487,319.62 - Step 4: Simplify right side
11,447,916.76x = 102,491,417,198,163.05 - Step 5: Solve for x
x = 102,491,417,198,163.05/11,447,916.76 - Step 6: Final answer
x = 8,952,844.38
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1.5x scale
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.