Finding the Fourth Proportional to 49,334,015.12, 68,065,289.62 and 28,703,475.50
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Solution
The fourth proportional to 49,334,015.12, 68,065,289.62 and 28,703,475.50 is: 39,601,689.99
Step by Step Solution
- Step 1: Write the proportion equation
49,334,015.12 : 68,065,289.62 = 28,703,475.50 : x - Step 2: Convert to fraction form
49,334,015.12/68,065,289.62 = 28,703,475.50/x - Step 3: Cross multiply
49,334,015.12x = 68,065,289.62 × 28,703,475.50 - Step 4: Simplify right side
49,334,015.12x = 1,953,710,372,595,989.50 - Step 5: Solve for x
x = 1,953,710,372,595,989.50/49,334,015.12 - Step 6: Final answer
x = 39,601,689.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.