Finding the Fourth Proportional to 12,207,984.70, 18,314,893.05 and 3,688,404.70
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Solution
The fourth proportional to 12,207,984.70, 18,314,893.05 and 3,688,404.70 is: 5,533,488.06
Step by Step Solution
- Step 1: Write the proportion equation
12,207,984.70 : 18,314,893.05 = 3,688,404.70 : x - Step 2: Convert to fraction form
12,207,984.70/18,314,893.05 = 3,688,404.70/x - Step 3: Cross multiply
12,207,984.70x = 18,314,893.05 × 3,688,404.70 - Step 4: Simplify right side
12,207,984.70x = 67,552,737,605,617.34 - Step 5: Solve for x
x = 67,552,737,605,617.34/12,207,984.70 - Step 6: Final answer
x = 5,533,488.06
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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.