Finding the Fourth Proportional to 37,928,324, 52,324,407.60 and 22,239,340.40
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Solution
The fourth proportional to 37,928,324, 52,324,407.60 and 22,239,340.40 is: 30,680,509.69
Step by Step Solution
- Step 1: Write the proportion equation
37,928,324 : 52,324,407.60 = 22,239,340.40 : x - Step 2: Convert to fraction form
37,928,324/52,324,407.60 = 22,239,340.40/x - Step 3: Cross multiply
37,928,324x = 52,324,407.60 × 22,239,340.40 - Step 4: Simplify right side
37,928,324x = 1,163,660,311,844,747 - Step 5: Solve for x
x = 1,163,660,311,844,747/37,928,324 - Step 6: Final answer
x = 30,680,509.69
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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.