Finding the Fourth Proportional to 7,480,133.99, 11,220,204.06 and 1,800,358.30
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Solution
The fourth proportional to 7,480,133.99, 11,220,204.06 and 1,800,358.30 is: 2,700,538.19
Step by Step Solution
- Step 1: Write the proportion equation
7,480,133.99 : 11,220,204.06 = 1,800,358.30 : x - Step 2: Convert to fraction form
7,480,133.99/11,220,204.06 = 1,800,358.30/x - Step 3: Cross multiply
7,480,133.99x = 11,220,204.06 × 1,800,358.30 - Step 4: Simplify right side
7,480,133.99x = 20,200,387,498,112.91 - Step 5: Solve for x
x = 20,200,387,498,112.91/7,480,133.99 - Step 6: Final answer
x = 2,700,538.19
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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.