Finding the Fourth Proportional to 5,555,750.43, 8,375,267.09 and 5,185,402.47
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Solution
The fourth proportional to 5,555,750.43, 8,375,267.09 and 5,185,402.47 is: 7,816,969.32
Step by Step Solution
- Step 1: Write the proportion equation
5,555,750.43 : 8,375,267.09 = 5,185,402.47 : x - Step 2: Convert to fraction form
5,555,750.43/8,375,267.09 = 5,185,402.47/x - Step 3: Cross multiply
5,555,750.43x = 8,375,267.09 × 5,185,402.47 - Step 4: Simplify right side
5,555,750.43x = 43,429,130,655,395.71 - Step 5: Solve for x
x = 43,429,130,655,395.71/5,555,750.43 - Step 6: Final answer
x = 7,816,969.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.