Finding the Fourth Proportional to 10,368,091.30, 15,552,136.95 and 9,422,529.70
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Solution
The fourth proportional to 10,368,091.30, 15,552,136.95 and 9,422,529.70 is: 14,133,794.55
Step by Step Solution
- Step 1: Write the proportion equation
10,368,091.30 : 15,552,136.95 = 9,422,529.70 : x - Step 2: Convert to fraction form
10,368,091.30/15,552,136.95 = 9,422,529.70/x - Step 3: Cross multiply
10,368,091.30x = 15,552,136.95 × 9,422,529.70 - Step 4: Simplify right side
10,368,091.30x = 146,540,472,309,842.41 - Step 5: Solve for x
x = 146,540,472,309,842.41/10,368,091.30 - Step 6: Final answer
x = 14,133,794.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.