Finding the Fourth Proportional to 31,551,069.12, 47,329,313.16 and 11,079,028.92
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Solution
The fourth proportional to 31,551,069.12, 47,329,313.16 and 11,079,028.92 is: 16,619,494.80
Step by Step Solution
- Step 1: Write the proportion equation
31,551,069.12 : 47,329,313.16 = 11,079,028.92 : x - Step 2: Convert to fraction form
31,551,069.12/47,329,313.16 = 11,079,028.92/x - Step 3: Cross multiply
31,551,069.12x = 47,329,313.16 × 11,079,028.92 - Step 4: Simplify right side
31,551,069.12x = 524,362,829,263,376.56 - Step 5: Solve for x
x = 524,362,829,263,376.56/31,551,069.12 - Step 6: Final answer
x = 16,619,494.80
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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.