Finding the Fourth Proportional to 7,389,970.24, 10,197,577.20 and 4,126,529.92
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Solution
The fourth proportional to 7,389,970.24, 10,197,577.20 and 4,126,529.92 is: 5,694,286.45
Step by Step Solution
- Step 1: Write the proportion equation
7,389,970.24 : 10,197,577.20 = 4,126,529.92 : x - Step 2: Convert to fraction form
7,389,970.24/10,197,577.20 = 4,126,529.92/x - Step 3: Cross multiply
7,389,970.24x = 10,197,577.20 × 4,126,529.92 - Step 4: Simplify right side
7,389,970.24x = 42,080,607,427,309.82 - Step 5: Solve for x
x = 42,080,607,427,309.82/7,389,970.24 - Step 6: Final answer
x = 5,694,286.45
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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.