Finding the Fourth Proportional to 13,101,201.36, 18,080,038.08 and 7,594,598.88
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Solution
The fourth proportional to 13,101,201.36, 18,080,038.08 and 7,594,598.88 is: 10,480,766.85
Step by Step Solution
- Step 1: Write the proportion equation
13,101,201.36 : 18,080,038.08 = 7,594,598.88 : x - Step 2: Convert to fraction form
13,101,201.36/18,080,038.08 = 7,594,598.88/x - Step 3: Cross multiply
13,101,201.36x = 18,080,038.08 × 7,594,598.88 - Step 4: Simplify right side
13,101,201.36x = 137,310,636,952,725.33 - Step 5: Solve for x
x = 137,310,636,952,725.33/13,101,201.36 - Step 6: Final answer
x = 10,480,766.85
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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.