Finding the Fourth Proportional to 11,679,731.62, 16,115,688.90 and 6,522,299.62
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Solution
The fourth proportional to 11,679,731.62, 16,115,688.90 and 6,522,299.62 is: 8,999,466.34
Step by Step Solution
- Step 1: Write the proportion equation
11,679,731.62 : 16,115,688.90 = 6,522,299.62 : x - Step 2: Convert to fraction form
11,679,731.62/16,115,688.90 = 6,522,299.62/x - Step 3: Cross multiply
11,679,731.62x = 16,115,688.90 × 6,522,299.62 - Step 4: Simplify right side
11,679,731.62x = 105,111,351,588,508.22 - Step 5: Solve for x
x = 105,111,351,588,508.22/11,679,731.62 - Step 6: Final answer
x = 8,999,466.34
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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.