Finding the Fourth Proportional to 7,430,192.28, 10,254,786.12 and 4,531,264.70
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Solution
The fourth proportional to 7,430,192.28, 10,254,786.12 and 4,531,264.70 is: 6,253,828.78
Step by Step Solution
- Step 1: Write the proportion equation
7,430,192.28 : 10,254,786.12 = 4,531,264.70 : x - Step 2: Convert to fraction form
7,430,192.28/10,254,786.12 = 4,531,264.70/x - Step 3: Cross multiply
7,430,192.28x = 10,254,786.12 × 4,531,264.70 - Step 4: Simplify right side
7,430,192.28x = 46,467,150,300,332.03 - Step 5: Solve for x
x = 46,467,150,300,332.03/7,430,192.28 - Step 6: Final answer
x = 6,253,828.78
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1.5x scale
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.