Finding the Fourth Proportional to 10,365,509.26, 15,551,251.98 and 3,178,103.86
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Solution
The fourth proportional to 10,365,509.26, 15,551,251.98 and 3,178,103.86 is: 4,768,071.95
Step by Step Solution
- Step 1: Write the proportion equation
10,365,509.26 : 15,551,251.98 = 3,178,103.86 : x - Step 2: Convert to fraction form
10,365,509.26/15,551,251.98 = 3,178,103.86/x - Step 3: Cross multiply
10,365,509.26x = 15,551,251.98 × 3,178,103.86 - Step 4: Simplify right side
10,365,509.26x = 49,423,493,945,470.64 - Step 5: Solve for x
x = 49,423,493,945,470.64/10,365,509.26 - Step 6: Final answer
x = 4,768,071.95
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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.