Finding the Fourth Proportional to 10,731,171.99, 14,812,869.72 and 6,380,247.93
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Solution
The fourth proportional to 10,731,171.99, 14,812,869.72 and 6,380,247.93 is: 8,807,032.58
Step by Step Solution
- Step 1: Write the proportion equation
10,731,171.99 : 14,812,869.72 = 6,380,247.93 : x - Step 2: Convert to fraction form
10,731,171.99/14,812,869.72 = 6,380,247.93/x - Step 3: Cross multiply
10,731,171.99x = 14,812,869.72 × 6,380,247.93 - Step 4: Simplify right side
10,731,171.99x = 94,509,781,368,389.67 - Step 5: Solve for x
x = 94,509,781,368,389.67/10,731,171.99 - Step 6: Final answer
x = 8,807,032.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.