Finding the Fourth Proportional to 7,489,120.16, 10,334,950.80 and 4,051,331.12
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Solution
The fourth proportional to 7,489,120.16, 10,334,950.80 and 4,051,331.12 is: 5,590,818.00
Step by Step Solution
- Step 1: Write the proportion equation
7,489,120.16 : 10,334,950.80 = 4,051,331.12 : x - Step 2: Convert to fraction form
7,489,120.16/10,334,950.80 = 4,051,331.12/x - Step 3: Cross multiply
7,489,120.16x = 10,334,950.80 × 4,051,331.12 - Step 4: Simplify right side
7,489,120.16x = 41,870,307,799,708.90 - Step 5: Solve for x
x = 41,870,307,799,708.90/7,489,120.16 - Step 6: Final answer
x = 5,590,818.00
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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.