Finding the Fourth Proportional to 7,452,023.70, 11,178,035.55 and 2,133,239.70
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Solution
The fourth proportional to 7,452,023.70, 11,178,035.55 and 2,133,239.70 is: 3,199,859.55
Step by Step Solution
- Step 1: Write the proportion equation
7,452,023.70 : 11,178,035.55 = 2,133,239.70 : x - Step 2: Convert to fraction form
7,452,023.70/11,178,035.55 = 2,133,239.70/x - Step 3: Cross multiply
7,452,023.70x = 11,178,035.55 × 2,133,239.70 - Step 4: Simplify right side
7,452,023.70x = 23,845,429,203,271.34 - Step 5: Solve for x
x = 23,845,429,203,271.34/7,452,023.70 - Step 6: Final answer
x = 3,199,859.55
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1.5x scale
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.