Finding the Fourth Proportional to 7,337,999.40, 10,984,880.70 and 6,453,263.40
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Solution
The fourth proportional to 7,337,999.40, 10,984,880.70 and 6,453,263.40 is: 9,660,443.50
Step by Step Solution
- Step 1: Write the proportion equation
7,337,999.40 : 10,984,880.70 = 6,453,263.40 : x - Step 2: Convert to fraction form
7,337,999.40/10,984,880.70 = 6,453,263.40/x - Step 3: Cross multiply
7,337,999.40x = 10,984,880.70 × 6,453,263.40 - Step 4: Simplify right side
7,337,999.40x = 70,888,328,574,676.38 - Step 5: Solve for x
x = 70,888,328,574,676.38/7,337,999.40 - Step 6: Final answer
x = 9,660,443.50
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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.