Finding the Fourth Proportional to 7,166,267.76, 10,749,334.74 and 2,905,423.12
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Solution
The fourth proportional to 7,166,267.76, 10,749,334.74 and 2,905,423.12 is: 4,358,107.56
Step by Step Solution
- Step 1: Write the proportion equation
7,166,267.76 : 10,749,334.74 = 2,905,423.12 : x - Step 2: Convert to fraction form
7,166,267.76/10,749,334.74 = 2,905,423.12/x - Step 3: Cross multiply
7,166,267.76x = 10,749,334.74 × 2,905,423.12 - Step 4: Simplify right side
7,166,267.76x = 31,231,365,678,215.19 - Step 5: Solve for x
x = 31,231,365,678,215.19/7,166,267.76 - Step 6: Final answer
x = 4,358,107.56
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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.