Finding the Fourth Proportional to 7,334,004.20, 10,120,768.98 and 4,070,628.68
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Solution
The fourth proportional to 7,334,004.20, 10,120,768.98 and 4,070,628.68 is: 5,617,380.54
Step by Step Solution
- Step 1: Write the proportion equation
7,334,004.20 : 10,120,768.98 = 4,070,628.68 : x - Step 2: Convert to fraction form
7,334,004.20/10,120,768.98 = 4,070,628.68/x - Step 3: Cross multiply
7,334,004.20x = 10,120,768.98 × 4,070,628.68 - Step 4: Simplify right side
7,334,004.20x = 41,197,892,473,642.35 - Step 5: Solve for x
x = 41,197,892,473,642.35/7,334,004.20 - Step 6: Final answer
x = 5,617,380.54
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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.