Finding the Fourth Proportional to 11,121,201.70, 16,681,802.55 and 6,847,512.10
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Solution
The fourth proportional to 11,121,201.70, 16,681,802.55 and 6,847,512.10 is: 10,271,268.15
Step by Step Solution
- Step 1: Write the proportion equation
11,121,201.70 : 16,681,802.55 = 6,847,512.10 : x - Step 2: Convert to fraction form
11,121,201.70/16,681,802.55 = 6,847,512.10/x - Step 3: Cross multiply
11,121,201.70x = 16,681,802.55 × 6,847,512.10 - Step 4: Simplify right side
11,121,201.70x = 114,228,844,810,935.86 - Step 5: Solve for x
x = 114,228,844,810,935.86/11,121,201.70 - Step 6: Final answer
x = 10,271,268.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.