Finding the Fourth Proportional to 17,968,276.80, 26,952,415.20 and 8,402,338.80
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Solution
The fourth proportional to 17,968,276.80, 26,952,415.20 and 8,402,338.80 is: 12,603,508.20
Step by Step Solution
- Step 1: Write the proportion equation
17,968,276.80 : 26,952,415.20 = 8,402,338.80 : x - Step 2: Convert to fraction form
17,968,276.80/26,952,415.20 = 8,402,338.80/x - Step 3: Cross multiply
17,968,276.80x = 26,952,415.20 × 8,402,338.80 - Step 4: Simplify right side
17,968,276.80x = 226,463,323,988,669.78 - Step 5: Solve for x
x = 226,463,323,988,669.78/17,968,276.80 - Step 6: Final answer
x = 12,603,508.20
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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.