Finding the Fourth Proportional to 10,308,296.28, 15,455,619.36 and 4,917,778.68
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Solution
The fourth proportional to 10,308,296.28, 15,455,619.36 and 4,917,778.68 is: 7,373,411.99
Step by Step Solution
- Step 1: Write the proportion equation
10,308,296.28 : 15,455,619.36 = 4,917,778.68 : x - Step 2: Convert to fraction form
10,308,296.28/15,455,619.36 = 4,917,778.68/x - Step 3: Cross multiply
10,308,296.28x = 15,455,619.36 × 4,917,778.68 - Step 4: Simplify right side
10,308,296.28x = 76,007,315,374,803.23 - Step 5: Solve for x
x = 76,007,315,374,803.23/10,308,296.28 - Step 6: Final answer
x = 7,373,411.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.