Finding the Fourth Proportional to 18,610,453.90, 27,915,690.98 and 5,831,958.70
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Solution
The fourth proportional to 18,610,453.90, 27,915,690.98 and 5,831,958.70 is: 8,747,941.22
Step by Step Solution
- Step 1: Write the proportion equation
18,610,453.90 : 27,915,690.98 = 5,831,958.70 : x - Step 2: Convert to fraction form
18,610,453.90/27,915,690.98 = 5,831,958.70/x - Step 3: Cross multiply
18,610,453.90x = 27,915,690.98 × 5,831,958.70 - Step 4: Simplify right side
18,610,453.90x = 162,803,156,877,322.53 - Step 5: Solve for x
x = 162,803,156,877,322.53/18,610,453.90 - Step 6: Final answer
x = 8,747,941.22
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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.