Finding the Fourth Proportional to 31,920,390.99, 47,887,318.79 and 10,353,317.82
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Solution
The fourth proportional to 31,920,390.99, 47,887,318.79 and 10,353,317.82 is: 15,532,160.34
Step by Step Solution
- Step 1: Write the proportion equation
31,920,390.99 : 47,887,318.79 = 10,353,317.82 : x - Step 2: Convert to fraction form
31,920,390.99/47,887,318.79 = 10,353,317.82/x - Step 3: Cross multiply
31,920,390.99x = 47,887,318.79 × 10,353,317.82 - Step 4: Simplify right side
31,920,390.99x = 495,792,630,980,527.81 - Step 5: Solve for x
x = 495,792,630,980,527.81/31,920,390.99 - Step 6: Final answer
x = 15,532,160.34
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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.